/*! xlsx.js (C) 2013-present SheetJS -- http://sheetjs.com */
/* vim: set ts=2: */
/*exported XLSX */
/*global global, exports, module, require:false, process:false, Buffer:false, ArrayBuffer:false */
var XLSX = {};
function make_xlsx_lib(XLSX) {
	XLSX.version = '0.15.5';
	var current_codepage = 1200, current_ansi = 1252;
	/*global cptable:true, window */
	if (typeof module !== "undefined" && typeof require !== 'undefined') {
		if (typeof cptable === 'undefined') {
			if (typeof global !== 'undefined') global.cptable = undefined;
			else if (typeof window !== 'undefined') window.cptable = undefined;
		}
	}

	var VALID_ANSI = [874, 932, 936, 949, 950];
	for (var i = 0; i <= 8; ++i) VALID_ANSI.push(1250 + i);
	/* ECMA-376 Part I 18.4.1 charset to codepage mapping */
	var CS2CP = ({
		0: 1252, /* ANSI */
		1: 65001, /* DEFAULT */
		2: 65001, /* SYMBOL */
		77: 10000, /* MAC */
		128: 932, /* SHIFTJIS */
		129: 949, /* HANGUL */
		130: 1361, /* JOHAB */
		134: 936, /* GB2312 */
		136: 950, /* CHINESEBIG5 */
		161: 1253, /* GREEK */
		162: 1254, /* TURKISH */
		163: 1258, /* VIETNAMESE */
		177: 1255, /* HEBREW */
		178: 1256, /* ARABIC */
		186: 1257, /* BALTIC */
		204: 1251, /* RUSSIAN */
		222: 874, /* THAI */
		238: 1250, /* EASTEUROPE */
		255: 1252, /* OEM */
		69: 6969  /* MISC */
	});

	var set_ansi = function (cp) { if (VALID_ANSI.indexOf(cp) == -1) return; current_ansi = CS2CP[0] = cp; };
	function reset_ansi() { set_ansi(1252); }

	var set_cp = function (cp) { current_codepage = cp; set_ansi(cp); };
	function reset_cp() { set_cp(1200); reset_ansi(); }

	function char_codes(data) { var o = []; for (var i = 0, len = data.length; i < len; ++i) o[i] = data.charCodeAt(i); return o; }

	function utf16leread(data) {
		var o = [];
		for (var i = 0; i < (data.length >> 1); ++i) o[i] = String.fromCharCode(data.charCodeAt(2 * i) + (data.charCodeAt(2 * i + 1) << 8));
		return o.join("");
	}
	function utf16beread(data) {
		var o = [];
		for (var i = 0; i < (data.length >> 1); ++i) o[i] = String.fromCharCode(data.charCodeAt(2 * i + 1) + (data.charCodeAt(2 * i) << 8));
		return o.join("");
	}

	var debom = function (data) {
		var c1 = data.charCodeAt(0), c2 = data.charCodeAt(1);
		if (c1 == 0xFF && c2 == 0xFE) return utf16leread(data.slice(2));
		if (c1 == 0xFE && c2 == 0xFF) return utf16beread(data.slice(2));
		if (c1 == 0xFEFF) return data.slice(1);
		return data;
	};

	var _getchar = function _gc1(x) { return String.fromCharCode(x); };
	var _getansi = function _ga1(x) { return String.fromCharCode(x); };
	if (typeof cptable !== 'undefined') {
		set_cp = function (cp) { current_codepage = cp; set_ansi(cp); };
		debom = function (data) {
			if (data.charCodeAt(0) === 0xFF && data.charCodeAt(1) === 0xFE) { return cptable.utils.decode(1200, char_codes(data.slice(2))); }
			return data;
		};
		_getchar = function _gc2(x) {
			if (current_codepage === 1200) return String.fromCharCode(x);
			return cptable.utils.decode(current_codepage, [x & 255, x >> 8])[0];
		};
		_getansi = function _ga2(x) {
			return cptable.utils.decode(current_ansi, [x])[0];
		};
	}
	var DENSE = null;
	var DIF_XL = true;
	var Base64 = (function make_b64() {
		var map = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
		return {
			encode: function (input) {
				var o = "";
				var c1 = 0, c2 = 0, c3 = 0, e1 = 0, e2 = 0, e3 = 0, e4 = 0;
				for (var i = 0; i < input.length;) {
					c1 = input.charCodeAt(i++);
					e1 = (c1 >> 2);

					c2 = input.charCodeAt(i++);
					e2 = ((c1 & 3) << 4) | (c2 >> 4);

					c3 = input.charCodeAt(i++);
					e3 = ((c2 & 15) << 2) | (c3 >> 6);
					e4 = (c3 & 63);
					if (isNaN(c2)) { e3 = e4 = 64; }
					else if (isNaN(c3)) { e4 = 64; }
					o += map.charAt(e1) + map.charAt(e2) + map.charAt(e3) + map.charAt(e4);
				}
				return o;
			},
			decode: function b64_decode(input) {
				var o = "";
				var c1 = 0, c2 = 0, c3 = 0, e1 = 0, e2 = 0, e3 = 0, e4 = 0;
				input = input.replace(/[^\w\+\/\=]/g, "");
				for (var i = 0; i < input.length;) {
					e1 = map.indexOf(input.charAt(i++));
					e2 = map.indexOf(input.charAt(i++));
					c1 = (e1 << 2) | (e2 >> 4);
					o += String.fromCharCode(c1);

					e3 = map.indexOf(input.charAt(i++));
					c2 = ((e2 & 15) << 4) | (e3 >> 2);
					if (e3 !== 64) { o += String.fromCharCode(c2); }

					e4 = map.indexOf(input.charAt(i++));
					c3 = ((e3 & 3) << 6) | e4;
					if (e4 !== 64) { o += String.fromCharCode(c3); }
				}
				return o;
			}
		};
	})();
	var has_buf = (typeof Buffer !== 'undefined' && typeof process !== 'undefined' && typeof process.versions !== 'undefined' && !!process.versions.node);

	var Buffer_from = function () { };

	if (typeof Buffer !== 'undefined') {
		var nbfs = !Buffer.from;
		if (!nbfs) try { Buffer.from("foo", "utf8"); } catch (e) { nbfs = true; }
		Buffer_from = nbfs ? function (buf, enc) { return (enc) ? new Buffer(buf, enc) : new Buffer(buf); } : Buffer.from.bind(Buffer);
		// $FlowIgnore
		if (!Buffer.alloc) Buffer.alloc = function (n) { return new Buffer(n); };
		// $FlowIgnore
		if (!Buffer.allocUnsafe) Buffer.allocUnsafe = function (n) { return new Buffer(n); };
	}

	function new_raw_buf(len) {
		/* jshint -W056 */
		return has_buf ? Buffer.alloc(len) : new Array(len);
		/* jshint +W056 */
	}

	function new_unsafe_buf(len) {
		/* jshint -W056 */
		return has_buf ? Buffer.allocUnsafe(len) : new Array(len);
		/* jshint +W056 */
	}

	var s2a = function s2a(s) {
		if (has_buf) return Buffer_from(s, "binary");
		return s.split("").map(function (x) { return x.charCodeAt(0) & 0xff; });
	};

	function s2ab(s) {
		if (typeof ArrayBuffer === 'undefined') return s2a(s);
		var buf = new ArrayBuffer(s.length), view = new Uint8Array(buf);
		for (var i = 0; i != s.length; ++i) view[i] = s.charCodeAt(i) & 0xFF;
		return buf;
	}

	function a2s(data) {
		if (Array.isArray(data)) return data.map(function (c) { return String.fromCharCode(c); }).join("");
		var o = []; for (var i = 0; i < data.length; ++i) o[i] = String.fromCharCode(data[i]); return o.join("");
	}

	function a2u(data) {
		if (typeof Uint8Array === 'undefined') throw new Error("Unsupported");
		return new Uint8Array(data);
	}

	function ab2a(data) {
		if (typeof ArrayBuffer == 'undefined') throw new Error("Unsupported");
		if (data instanceof ArrayBuffer) return ab2a(new Uint8Array(data));
		var o = new Array(data.length);
		for (var i = 0; i < data.length; ++i) o[i] = data[i];
		return o;
	}

	var bconcat = function (bufs) { return [].concat.apply([], bufs); };

	var chr0 = /\u0000/g, chr1 = /[\u0001-\u0006]/g;
	/* ssf.js (C) 2013-present SheetJS -- http://sheetjs.com */
	/*jshint -W041 */
	var SSF = ({});
	var make_ssf = function make_ssf(SSF) {
		SSF.version = '0.10.2';
		function _strrev(x) { var o = "", i = x.length - 1; while (i >= 0) o += x.charAt(i--); return o; }
		function fill(c, l) { var o = ""; while (o.length < l) o += c; return o; }
		function pad0(v, d) { var t = "" + v; return t.length >= d ? t : fill('0', d - t.length) + t; }
		function pad_(v, d) { var t = "" + v; return t.length >= d ? t : fill(' ', d - t.length) + t; }
		function rpad_(v, d) { var t = "" + v; return t.length >= d ? t : t + fill(' ', d - t.length); }
		function pad0r1(v, d) { var t = "" + Math.round(v); return t.length >= d ? t : fill('0', d - t.length) + t; }
		function pad0r2(v, d) { var t = "" + v; return t.length >= d ? t : fill('0', d - t.length) + t; }
		var p2_32 = Math.pow(2, 32);
		function pad0r(v, d) { if (v > p2_32 || v < -p2_32) return pad0r1(v, d); var i = Math.round(v); return pad0r2(i, d); }
		function isgeneral(s, i) { i = i || 0; return s.length >= 7 + i && (s.charCodeAt(i) | 32) === 103 && (s.charCodeAt(i + 1) | 32) === 101 && (s.charCodeAt(i + 2) | 32) === 110 && (s.charCodeAt(i + 3) | 32) === 101 && (s.charCodeAt(i + 4) | 32) === 114 && (s.charCodeAt(i + 5) | 32) === 97 && (s.charCodeAt(i + 6) | 32) === 108; }
		var days = [
			['Sun', 'Sunday'],
			['Mon', 'Monday'],
			['Tue', 'Tuesday'],
			['Wed', 'Wednesday'],
			['Thu', 'Thursday'],
			['Fri', 'Friday'],
			['Sat', 'Saturday']
		];
		var months = [
			['J', 'Jan', 'January'],
			['F', 'Feb', 'February'],
			['M', 'Mar', 'March'],
			['A', 'Apr', 'April'],
			['M', 'May', 'May'],
			['J', 'Jun', 'June'],
			['J', 'Jul', 'July'],
			['A', 'Aug', 'August'],
			['S', 'Sep', 'September'],
			['O', 'Oct', 'October'],
			['N', 'Nov', 'November'],
			['D', 'Dec', 'December']
		];
		function init_table(t) {
			t[0] = 'General';
			t[1] = '0';
			t[2] = '0.00';
			t[3] = '#,##0';
			t[4] = '#,##0.00';
			t[9] = '0%';
			t[10] = '0.00%';
			t[11] = '0.00E+00';
			t[12] = '# ?/?';
			t[13] = '# ??/??';
			t[14] = 'm/d/yy';
			t[15] = 'd-mmm-yy';
			t[16] = 'd-mmm';
			t[17] = 'mmm-yy';
			t[18] = 'h:mm AM/PM';
			t[19] = 'h:mm:ss AM/PM';
			t[20] = 'h:mm';
			t[21] = 'h:mm:ss';
			t[22] = 'm/d/yy h:mm';
			t[37] = '#,##0 ;(#,##0)';
			t[38] = '#,##0 ;[Red](#,##0)';
			t[39] = '#,##0.00;(#,##0.00)';
			t[40] = '#,##0.00;[Red](#,##0.00)';
			t[45] = 'mm:ss';
			t[46] = '[h]:mm:ss';
			t[47] = 'mmss.0';
			t[48] = '##0.0E+0';
			t[49] = '@';
			t[56] = '"上午/下午 "hh"時"mm"分"ss"秒 "';
			t[65535] = 'General';
		}

		var table_fmt = {};
		init_table(table_fmt);
		function frac(x, D, mixed) {
			var sgn = x < 0 ? -1 : 1;
			var B = x * sgn;
			var P_2 = 0, P_1 = 1, P = 0;
			var Q_2 = 1, Q_1 = 0, Q = 0;
			var A = Math.floor(B);
			while (Q_1 < D) {
				A = Math.floor(B);
				P = A * P_1 + P_2;
				Q = A * Q_1 + Q_2;
				if ((B - A) < 0.00000005) break;
				B = 1 / (B - A);
				P_2 = P_1; P_1 = P;
				Q_2 = Q_1; Q_1 = Q;
			}
			if (Q > D) { if (Q_1 > D) { Q = Q_2; P = P_2; } else { Q = Q_1; P = P_1; } }
			if (!mixed) return [0, sgn * P, Q];
			var q = Math.floor(sgn * P / Q);
			return [q, sgn * P - q * Q, Q];
		}
		function parse_date_code(v, opts, b2) {
			if (v > 2958465 || v < 0) return null;
			var date = (v | 0), time = Math.floor(86400 * (v - date)), dow = 0;
			var dout = [];
			var out = { D: date, T: time, u: 86400 * (v - date) - time, y: 0, m: 0, d: 0, H: 0, M: 0, S: 0, q: 0 };
			if (Math.abs(out.u) < 1e-6) out.u = 0;
			if (opts && opts.date1904) date += 1462;
			if (out.u > 0.9999) {
				out.u = 0;
				if (++time == 86400) { out.T = time = 0; ++date; ++out.D; }
			}
			if (date === 60) { dout = b2 ? [1317, 10, 29] : [1900, 2, 29]; dow = 3; }
			else if (date === 0) { dout = b2 ? [1317, 8, 29] : [1900, 1, 0]; dow = 6; }
			else {
				if (date > 60) --date;
				/* 1 = Jan 1 1900 in Gregorian */
				var d = new Date(1900, 0, 1);
				d.setDate(d.getDate() + date - 1);
				dout = [d.getFullYear(), d.getMonth() + 1, d.getDate()];
				dow = d.getDay();
				if (date < 60) dow = (dow + 6) % 7;
				if (b2) dow = fix_hijri(d, dout);
			}
			out.y = dout[0]; out.m = dout[1]; out.d = dout[2];
			out.S = time % 60; time = Math.floor(time / 60);
			out.M = time % 60; time = Math.floor(time / 60);
			out.H = time;
			out.q = dow;
			return out;
		}
		SSF.parse_date_code = parse_date_code;
		var basedate = new Date(1899, 11, 31, 0, 0, 0);
		var dnthresh = basedate.getTime();
		var base1904 = new Date(1900, 2, 1, 0, 0, 0);
		function datenum_local(v, date1904) {
			var epoch = v.getTime();
			if (date1904) epoch -= 1461 * 24 * 60 * 60 * 1000;
			else if (v >= base1904) epoch += 24 * 60 * 60 * 1000;
			return (epoch - (dnthresh + (v.getTimezoneOffset() - basedate.getTimezoneOffset()) * 60000)) / (24 * 60 * 60 * 1000);
		}
		function general_fmt_int(v) { return v.toString(10); }
		SSF._general_int = general_fmt_int;
		var general_fmt_num = (function make_general_fmt_num() {
			var gnr1 = /\.(\d*[1-9])0+$/, gnr2 = /\.0*$/, gnr4 = /\.(\d*[1-9])0+/, gnr5 = /\.0*[Ee]/, gnr6 = /(E[+-])(\d)$/;
			function gfn2(v) {
				var w = (v < 0 ? 12 : 11);
				var o = gfn5(v.toFixed(12)); if (o.length <= w) return o;
				o = v.toPrecision(10); if (o.length <= w) return o;
				return v.toExponential(5);
			}
			function gfn3(v) {
				var o = v.toFixed(11).replace(gnr1, ".$1");
				if (o.length > (v < 0 ? 12 : 11)) o = v.toPrecision(6);
				return o;
			}
			function gfn4(o) {
				for (var i = 0; i != o.length; ++i) if ((o.charCodeAt(i) | 0x20) === 101) return o.replace(gnr4, ".$1").replace(gnr5, "E").replace("e", "E").replace(gnr6, "$10$2");
				return o;
			}
			function gfn5(o) {
				return o.indexOf(".") > -1 ? o.replace(gnr2, "").replace(gnr1, ".$1") : o;
			}
			return function general_fmt_num(v) {
				var V = Math.floor(Math.log(Math.abs(v)) * Math.LOG10E), o;
				if (V >= -4 && V <= -1) o = v.toPrecision(10 + V);
				else if (Math.abs(V) <= 9) o = gfn2(v);
				else if (V === 10) o = v.toFixed(10).substr(0, 12);
				else o = gfn3(v);
				return gfn5(gfn4(o));
			};
		})();
		SSF._general_num = general_fmt_num;
		function general_fmt(v, opts) {
			switch (typeof v) {
				case 'string': return v;
				case 'boolean': return v ? "TRUE" : "FALSE";
				case 'number': return (v | 0) === v ? general_fmt_int(v) : general_fmt_num(v);
				case 'undefined': return "";
				case 'object':
					if (v == null) return "";
					if (v instanceof Date) return format(14, datenum_local(v, opts && opts.date1904), opts);
			}
			throw new Error("unsupported value in General format: " + v);
		}
		SSF._general = general_fmt;
		function fix_hijri() { return 0; }
		/*jshint -W086 */
		function write_date(type, fmt, val, ss0) {
			var o = "", ss = 0, tt = 0, y = val.y, out, outl = 0;
			switch (type) {
				case 98: /* 'b' buddhist year */
					y = val.y + 543;
				/* falls through */
				case 121: /* 'y' year */
					switch (fmt.length) {
						case 1: case 2: out = y % 100; outl = 2; break;
						default: out = y % 10000; outl = 4; break;
					} break;
				case 109: /* 'm' month */
					switch (fmt.length) {
						case 1: case 2: out = val.m; outl = fmt.length; break;
						case 3: return months[val.m - 1][1];
						case 5: return months[val.m - 1][0];
						default: return months[val.m - 1][2];
					} break;
				case 100: /* 'd' day */
					switch (fmt.length) {
						case 1: case 2: out = val.d; outl = fmt.length; break;
						case 3: return days[val.q][0];
						default: return days[val.q][1];
					} break;
				case 104: /* 'h' 12-hour */
					switch (fmt.length) {
						case 1: case 2: out = 1 + (val.H + 11) % 12; outl = fmt.length; break;
						default: throw 'bad hour format: ' + fmt;
					} break;
				case 72: /* 'H' 24-hour */
					switch (fmt.length) {
						case 1: case 2: out = val.H; outl = fmt.length; break;
						default: throw 'bad hour format: ' + fmt;
					} break;
				case 77: /* 'M' minutes */
					switch (fmt.length) {
						case 1: case 2: out = val.M; outl = fmt.length; break;
						default: throw 'bad minute format: ' + fmt;
					} break;
				case 115: /* 's' seconds */
					if (fmt != 's' && fmt != 'ss' && fmt != '.0' && fmt != '.00' && fmt != '.000') throw 'bad second format: ' + fmt;
					if (val.u === 0 && (fmt == "s" || fmt == "ss")) return pad0(val.S, fmt.length);
					if (ss0 >= 2) tt = ss0 === 3 ? 1000 : 100;
					else tt = ss0 === 1 ? 10 : 1;
					ss = Math.round((tt) * (val.S + val.u));
					if (ss >= 60 * tt) ss = 0;
					if (fmt === 's') return ss === 0 ? "0" : "" + ss / tt;
					o = pad0(ss, 2 + ss0);
					if (fmt === 'ss') return o.substr(0, 2);
					return "." + o.substr(2, fmt.length - 1);
				case 90: /* 'Z' absolute time */
					switch (fmt) {
						case '[h]': case '[hh]': out = val.D * 24 + val.H; break;
						case '[m]': case '[mm]': out = (val.D * 24 + val.H) * 60 + val.M; break;
						case '[s]': case '[ss]': out = ((val.D * 24 + val.H) * 60 + val.M) * 60 + Math.round(val.S + val.u); break;
						default: throw 'bad abstime format: ' + fmt;
					} outl = fmt.length === 3 ? 1 : 2; break;
				case 101: /* 'e' era */
					out = y; outl = 1;
			}
			if (outl > 0) return pad0(out, outl); else return "";
		}
		/*jshint +W086 */
		function commaify(s) {
			var w = 3;
			if (s.length <= w) return s;
			var j = (s.length % w), o = s.substr(0, j);
			for (; j != s.length; j += w) o += (o.length > 0 ? "," : "") + s.substr(j, w);
			return o;
		}
		var write_num = (function make_write_num() {
			var pct1 = /%/g;
			function write_num_pct(type, fmt, val) {
				var sfmt = fmt.replace(pct1, ""), mul = fmt.length - sfmt.length;
				return write_num(type, sfmt, val * Math.pow(10, 2 * mul)) + fill("%", mul);
			}
			function write_num_cm(type, fmt, val) {
				var idx = fmt.length - 1;
				while (fmt.charCodeAt(idx - 1) === 44) --idx;
				return write_num(type, fmt.substr(0, idx), val / Math.pow(10, 3 * (fmt.length - idx)));
			}
			function write_num_exp(fmt, val) {
				var o;
				var idx = fmt.indexOf("E") - fmt.indexOf(".") - 1;
				if (fmt.match(/^#+0.0E\+0$/)) {
					if (val == 0) return "0.0E+0";
					else if (val < 0) return "-" + write_num_exp(fmt, -val);
					var period = fmt.indexOf("."); if (period === -1) period = fmt.indexOf('E');
					var ee = Math.floor(Math.log(val) * Math.LOG10E) % period;
					if (ee < 0) ee += period;
					o = (val / Math.pow(10, ee)).toPrecision(idx + 1 + (period + ee) % period);
					if (o.indexOf("e") === -1) {
						var fakee = Math.floor(Math.log(val) * Math.LOG10E);
						if (o.indexOf(".") === -1) o = o.charAt(0) + "." + o.substr(1) + "E+" + (fakee - o.length + ee);
						else o += "E+" + (fakee - ee);
						while (o.substr(0, 2) === "0.") {
							o = o.charAt(0) + o.substr(2, period) + "." + o.substr(2 + period);
							o = o.replace(/^0+([1-9])/, "$1").replace(/^0+\./, "0.");
						}
						o = o.replace(/\+-/, "-");
					}
					o = o.replace(/^([+-]?)(\d*)\.(\d*)[Ee]/, function ($$, $1, $2, $3) { return $1 + $2 + $3.substr(0, (period + ee) % period) + "." + $3.substr(ee) + "E"; });
				} else o = val.toExponential(idx);
				if (fmt.match(/E\+00$/) && o.match(/e[+-]\d$/)) o = o.substr(0, o.length - 1) + "0" + o.charAt(o.length - 1);
				if (fmt.match(/E\-/) && o.match(/e\+/)) o = o.replace(/e\+/, "e");
				return o.replace("e", "E");
			}
			var frac1 = /# (\?+)( ?)\/( ?)(\d+)/;
			function write_num_f1(r, aval, sign) {
				var den = parseInt(r[4], 10), rr = Math.round(aval * den), base = Math.floor(rr / den);
				var myn = (rr - base * den), myd = den;
				return sign + (base === 0 ? "" : "" + base) + " " + (myn === 0 ? fill(" ", r[1].length + 1 + r[4].length) : pad_(myn, r[1].length) + r[2] + "/" + r[3] + pad0(myd, r[4].length));
			}
			function write_num_f2(r, aval, sign) {
				return sign + (aval === 0 ? "" : "" + aval) + fill(" ", r[1].length + 2 + r[4].length);
			}
			var dec1 = /^#*0*\.([0#]+)/;
			var closeparen = /\).*[0#]/;
			var phone = /\(###\) ###\\?-####/;
			function hashq(str) {
				var o = "", cc;
				for (var i = 0; i != str.length; ++i) switch ((cc = str.charCodeAt(i))) {
					case 35: break;
					case 63: o += " "; break;
					case 48: o += "0"; break;
					default: o += String.fromCharCode(cc);
				}
				return o;
			}
			function rnd(val, d) { var dd = Math.pow(10, d); return "" + (Math.round(val * dd) / dd); }
			function dec(val, d) {
				if (d < ('' + Math.round((val - Math.floor(val)) * Math.pow(10, d))).length) {
					return 0;
				}
				return Math.round((val - Math.floor(val)) * Math.pow(10, d));
			}
			function carry(val, d) {
				if (d < ('' + Math.round((val - Math.floor(val)) * Math.pow(10, d))).length) {
					return 1;
				}
				return 0;
			}
			function flr(val) { if (val < 2147483647 && val > -2147483648) return "" + (val >= 0 ? (val | 0) : (val - 1 | 0)); return "" + Math.floor(val); }
			function write_num_flt(type, fmt, val) {
				if (type.charCodeAt(0) === 40 && !fmt.match(closeparen)) {
					var ffmt = fmt.replace(/\( */, "").replace(/ \)/, "").replace(/\)/, "");
					if (val >= 0) return write_num_flt('n', ffmt, val);
					return '(' + write_num_flt('n', ffmt, -val) + ')';
				}
				if (fmt.charCodeAt(fmt.length - 1) === 44) return write_num_cm(type, fmt, val);
				if (fmt.indexOf('%') !== -1) return write_num_pct(type, fmt, val);
				if (fmt.indexOf('E') !== -1) return write_num_exp(fmt, val);
				if (fmt.charCodeAt(0) === 36) return "$" + write_num_flt(type, fmt.substr(fmt.charAt(1) == ' ' ? 2 : 1), val);
				var o;
				var r, ri, ff, aval = Math.abs(val), sign = val < 0 ? "-" : "";
				if (fmt.match(/^00+$/)) return sign + pad0r(aval, fmt.length);
				if (fmt.match(/^[#?]+$/)) {
					o = pad0r(val, 0); if (o === "0") o = "";
					return o.length > fmt.length ? o : hashq(fmt.substr(0, fmt.length - o.length)) + o;
				}
				if ((r = fmt.match(frac1))) return write_num_f1(r, aval, sign);
				if (fmt.match(/^#+0+$/)) return sign + pad0r(aval, fmt.length - fmt.indexOf("0"));
				if ((r = fmt.match(dec1))) {
					o = rnd(val, r[1].length).replace(/^([^\.]+)$/, "$1." + hashq(r[1])).replace(/\.$/, "." + hashq(r[1])).replace(/\.(\d*)$/, function ($$, $1) { return "." + $1 + fill("0", hashq(r[1]).length - $1.length); });
					return fmt.indexOf("0.") !== -1 ? o : o.replace(/^0\./, ".");
				}
				fmt = fmt.replace(/^#+([0.])/, "$1");
				if ((r = fmt.match(/^(0*)\.(#*)$/))) {
					return sign + rnd(aval, r[2].length).replace(/\.(\d*[1-9])0*$/, ".$1").replace(/^(-?\d*)$/, "$1.").replace(/^0\./, r[1].length ? "0." : ".");
				}
				if ((r = fmt.match(/^#{1,3},##0(\.?)$/))) return sign + commaify(pad0r(aval, 0));
				if ((r = fmt.match(/^#,##0\.([#0]*0)$/))) {
					return val < 0 ? "-" + write_num_flt(type, fmt, -val) : commaify("" + (Math.floor(val) + carry(val, r[1].length))) + "." + pad0(dec(val, r[1].length), r[1].length);
				}
				if ((r = fmt.match(/^#,#*,#0/))) return write_num_flt(type, fmt.replace(/^#,#*,/, ""), val);
				if ((r = fmt.match(/^([0#]+)(\\?-([0#]+))+$/))) {
					o = _strrev(write_num_flt(type, fmt.replace(/[\\-]/g, ""), val));
					ri = 0;
					return _strrev(_strrev(fmt.replace(/\\/g, "")).replace(/[0#]/g, function (x) { return ri < o.length ? o.charAt(ri++) : x === '0' ? '0' : ""; }));
				}
				if (fmt.match(phone)) {
					o = write_num_flt(type, "##########", val);
					return "(" + o.substr(0, 3) + ") " + o.substr(3, 3) + "-" + o.substr(6);
				}
				var oa = "";
				if ((r = fmt.match(/^([#0?]+)( ?)\/( ?)([#0?]+)/))) {
					ri = Math.min(r[4].length, 7);
					ff = frac(aval, Math.pow(10, ri) - 1, false);
					o = "" + sign;
					oa = write_num("n", r[1], ff[1]);
					if (oa.charAt(oa.length - 1) == " ") oa = oa.substr(0, oa.length - 1) + "0";
					o += oa + r[2] + "/" + r[3];
					oa = rpad_(ff[2], ri);
					if (oa.length < r[4].length) oa = hashq(r[4].substr(r[4].length - oa.length)) + oa;
					o += oa;
					return o;
				}
				if ((r = fmt.match(/^# ([#0?]+)( ?)\/( ?)([#0?]+)/))) {
					ri = Math.min(Math.max(r[1].length, r[4].length), 7);
					ff = frac(aval, Math.pow(10, ri) - 1, true);
					return sign + (ff[0] || (ff[1] ? "" : "0")) + " " + (ff[1] ? pad_(ff[1], ri) + r[2] + "/" + r[3] + rpad_(ff[2], ri) : fill(" ", 2 * ri + 1 + r[2].length + r[3].length));
				}
				if ((r = fmt.match(/^[#0?]+$/))) {
					o = pad0r(val, 0);
					if (fmt.length <= o.length) return o;
					return hashq(fmt.substr(0, fmt.length - o.length)) + o;
				}
				if ((r = fmt.match(/^([#0?]+)\.([#0]+)$/))) {
					o = "" + val.toFixed(Math.min(r[2].length, 10)).replace(/([^0])0+$/, "$1");
					ri = o.indexOf(".");
					var lres = fmt.indexOf(".") - ri, rres = fmt.length - o.length - lres;
					return hashq(fmt.substr(0, lres) + o + fmt.substr(fmt.length - rres));
				}
				if ((r = fmt.match(/^00,000\.([#0]*0)$/))) {
					ri = dec(val, r[1].length);
					return val < 0 ? "-" + write_num_flt(type, fmt, -val) : commaify(flr(val)).replace(/^\d,\d{3}$/, "0$&").replace(/^\d*$/, function ($$) { return "00," + ($$.length < 3 ? pad0(0, 3 - $$.length) : "") + $$; }) + "." + pad0(ri, r[1].length);
				}
				switch (fmt) {
					case "###,##0.00": return write_num_flt(type, "#,##0.00", val);
					case "###,###":
					case "##,###":
					case "#,###": var x = commaify(pad0r(aval, 0)); return x !== "0" ? sign + x : "";
					case "###,###.00": return write_num_flt(type, "###,##0.00", val).replace(/^0\./, ".");
					case "#,###.00": return write_num_flt(type, "#,##0.00", val).replace(/^0\./, ".");
					default:
				}
				throw new Error("unsupported format |" + fmt + "|");
			}
			function write_num_cm2(type, fmt, val) {
				var idx = fmt.length - 1;
				while (fmt.charCodeAt(idx - 1) === 44) --idx;
				return write_num(type, fmt.substr(0, idx), val / Math.pow(10, 3 * (fmt.length - idx)));
			}
			function write_num_pct2(type, fmt, val) {
				var sfmt = fmt.replace(pct1, ""), mul = fmt.length - sfmt.length;
				return write_num(type, sfmt, val * Math.pow(10, 2 * mul)) + fill("%", mul);
			}
			function write_num_exp2(fmt, val) {
				var o;
				var idx = fmt.indexOf("E") - fmt.indexOf(".") - 1;
				if (fmt.match(/^#+0.0E\+0$/)) {
					if (val == 0) return "0.0E+0";
					else if (val < 0) return "-" + write_num_exp2(fmt, -val);
					var period = fmt.indexOf("."); if (period === -1) period = fmt.indexOf('E');
					var ee = Math.floor(Math.log(val) * Math.LOG10E) % period;
					if (ee < 0) ee += period;
					o = (val / Math.pow(10, ee)).toPrecision(idx + 1 + (period + ee) % period);
					if (!o.match(/[Ee]/)) {
						var fakee = Math.floor(Math.log(val) * Math.LOG10E);
						if (o.indexOf(".") === -1) o = o.charAt(0) + "." + o.substr(1) + "E+" + (fakee - o.length + ee);
						else o += "E+" + (fakee - ee);
						o = o.replace(/\+-/, "-");
					}
					o = o.replace(/^([+-]?)(\d*)\.(\d*)[Ee]/, function ($$, $1, $2, $3) { return $1 + $2 + $3.substr(0, (period + ee) % period) + "." + $3.substr(ee) + "E"; });
				} else o = val.toExponential(idx);
				if (fmt.match(/E\+00$/) && o.match(/e[+-]\d$/)) o = o.substr(0, o.length - 1) + "0" + o.charAt(o.length - 1);
				if (fmt.match(/E\-/) && o.match(/e\+/)) o = o.replace(/e\+/, "e");
				return o.replace("e", "E");
			}
			function write_num_int(type, fmt, val) {
				if (type.charCodeAt(0) === 40 && !fmt.match(closeparen)) {
					var ffmt = fmt.replace(/\( */, "").replace(/ \)/, "").replace(/\)/, "");
					if (val >= 0) return write_num_int('n', ffmt, val);
					return '(' + write_num_int('n', ffmt, -val) + ')';
				}
				if (fmt.charCodeAt(fmt.length - 1) === 44) return write_num_cm2(type, fmt, val);
				if (fmt.indexOf('%') !== -1) return write_num_pct2(type, fmt, val);
				if (fmt.indexOf('E') !== -1) return write_num_exp2(fmt, val);
				if (fmt.charCodeAt(0) === 36) return "$" + write_num_int(type, fmt.substr(fmt.charAt(1) == ' ' ? 2 : 1), val);
				var o;
				var r, ri, ff, aval = Math.abs(val), sign = val < 0 ? "-" : "";
				if (fmt.match(/^00+$/)) return sign + pad0(aval, fmt.length);
				if (fmt.match(/^[#?]+$/)) {
					o = ("" + val); if (val === 0) o = "";
					return o.length > fmt.length ? o : hashq(fmt.substr(0, fmt.length - o.length)) + o;
				}
				if ((r = fmt.match(frac1))) return write_num_f2(r, aval, sign);
				if (fmt.match(/^#+0+$/)) return sign + pad0(aval, fmt.length - fmt.indexOf("0"));
				if ((r = fmt.match(dec1))) {
					o = ("" + val).replace(/^([^\.]+)$/, "$1." + hashq(r[1])).replace(/\.$/, "." + hashq(r[1]));
					o = o.replace(/\.(\d*)$/, function ($$, $1) {
						return "." + $1 + fill("0", hashq(r[1]).length - $1.length);
					});
					return fmt.indexOf("0.") !== -1 ? o : o.replace(/^0\./, ".");
				}
				fmt = fmt.replace(/^#+([0.])/, "$1");
				if ((r = fmt.match(/^(0*)\.(#*)$/))) {
					return sign + ("" + aval).replace(/\.(\d*[1-9])0*$/, ".$1").replace(/^(-?\d*)$/, "$1.").replace(/^0\./, r[1].length ? "0." : ".");
				}
				if ((r = fmt.match(/^#{1,3},##0(\.?)$/))) return sign + commaify(("" + aval));
				if ((r = fmt.match(/^#,##0\.([#0]*0)$/))) {
					return val < 0 ? "-" + write_num_int(type, fmt, -val) : commaify(("" + val)) + "." + fill('0', r[1].length);
				}
				if ((r = fmt.match(/^#,#*,#0/))) return write_num_int(type, fmt.replace(/^#,#*,/, ""), val);
				if ((r = fmt.match(/^([0#]+)(\\?-([0#]+))+$/))) {
					o = _strrev(write_num_int(type, fmt.replace(/[\\-]/g, ""), val));
					ri = 0;
					return _strrev(_strrev(fmt.replace(/\\/g, "")).replace(/[0#]/g, function (x) { return ri < o.length ? o.charAt(ri++) : x === '0' ? '0' : ""; }));
				}
				if (fmt.match(phone)) {
					o = write_num_int(type, "##########", val);
					return "(" + o.substr(0, 3) + ") " + o.substr(3, 3) + "-" + o.substr(6);
				}
				var oa = "";
				if ((r = fmt.match(/^([#0?]+)( ?)\/( ?)([#0?]+)/))) {
					ri = Math.min(r[4].length, 7);
					ff = frac(aval, Math.pow(10, ri) - 1, false);
					o = "" + sign;
					oa = write_num("n", r[1], ff[1]);
					if (oa.charAt(oa.length - 1) == " ") oa = oa.substr(0, oa.length - 1) + "0";
					o += oa + r[2] + "/" + r[3];
					oa = rpad_(ff[2], ri);
					if (oa.length < r[4].length) oa = hashq(r[4].substr(r[4].length - oa.length)) + oa;
					o += oa;
					return o;
				}
				if ((r = fmt.match(/^# ([#0?]+)( ?)\/( ?)([#0?]+)/))) {
					ri = Math.min(Math.max(r[1].length, r[4].length), 7);
					ff = frac(aval, Math.pow(10, ri) - 1, true);
					return sign + (ff[0] || (ff[1] ? "" : "0")) + " " + (ff[1] ? pad_(ff[1], ri) + r[2] + "/" + r[3] + rpad_(ff[2], ri) : fill(" ", 2 * ri + 1 + r[2].length + r[3].length));
				}
				if ((r = fmt.match(/^[#0?]+$/))) {
					o = "" + val;
					if (fmt.length <= o.length) return o;
					return hashq(fmt.substr(0, fmt.length - o.length)) + o;
				}
				if ((r = fmt.match(/^([#0]+)\.([#0]+)$/))) {
					o = "" + val.toFixed(Math.min(r[2].length, 10)).replace(/([^0])0+$/, "$1");
					ri = o.indexOf(".");
					var lres = fmt.indexOf(".") - ri, rres = fmt.length - o.length - lres;
					return hashq(fmt.substr(0, lres) + o + fmt.substr(fmt.length - rres));
				}
				if ((r = fmt.match(/^00,000\.([#0]*0)$/))) {
					return val < 0 ? "-" + write_num_int(type, fmt, -val) : commaify("" + val).replace(/^\d,\d{3}$/, "0$&").replace(/^\d*$/, function ($$) { return "00," + ($$.length < 3 ? pad0(0, 3 - $$.length) : "") + $$; }) + "." + pad0(0, r[1].length);
				}
				switch (fmt) {
					case "###,###":
					case "##,###":
					case "#,###": var x = commaify("" + aval); return x !== "0" ? sign + x : "";
					default:
						if (fmt.match(/\.[0#?]*$/)) return write_num_int(type, fmt.slice(0, fmt.lastIndexOf(".")), val) + hashq(fmt.slice(fmt.lastIndexOf(".")));
				}
				throw new Error("unsupported format |" + fmt + "|");
			}
			return function write_num(type, fmt, val) {
				return (val | 0) === val ? write_num_int(type, fmt, val) : write_num_flt(type, fmt, val);
			};
		})();
		function split_fmt(fmt) {
			var out = [];
			var in_str = false/*, cc*/;
			for (var i = 0, j = 0; i < fmt.length; ++i) switch ((/*cc=*/fmt.charCodeAt(i))) {
				case 34: /* '"' */
					in_str = !in_str; break;
				case 95: case 42: case 92: /* '_' '*' '\\' */
					++i; break;
				case 59: /* ';' */
					out[out.length] = fmt.substr(j, i - j);
					j = i + 1;
			}
			out[out.length] = fmt.substr(j);
			if (in_str === true) throw new Error("Format |" + fmt + "| unterminated string ");
			return out;
		}
		SSF._split = split_fmt;
		var abstime = /\[[HhMmSs]*\]/;
		function fmt_is_date(fmt) {
			var i = 0, /*cc = 0,*/ c = "", o = "";
			while (i < fmt.length) {
				switch ((c = fmt.charAt(i))) {
					case 'G': if (isgeneral(fmt, i)) i += 6; i++; break;
					case '"': for (; (/*cc=*/fmt.charCodeAt(++i)) !== 34 && i < fmt.length;) ++i; ++i; break;
					case '\\': i += 2; break;
					case '_': i += 2; break;
					case '@': ++i; break;
					case 'B': case 'b':
						if (fmt.charAt(i + 1) === "1" || fmt.charAt(i + 1) === "2") return true;
					/* falls through */
					case 'M': case 'D': case 'Y': case 'H': case 'S': case 'E':
					/* falls through */
					case 'm': case 'd': case 'y': case 'h': case 's': case 'e': case 'g': return true;
					case 'A': case 'a':
						if (fmt.substr(i, 3).toUpperCase() === "A/P") return true;
						if (fmt.substr(i, 5).toUpperCase() === "AM/PM") return true;
						++i; break;
					case '[':
						o = c;
						while (fmt.charAt(i++) !== ']' && i < fmt.length) o += fmt.charAt(i);
						if (o.match(abstime)) return true;
						break;
					case '.':
					/* falls through */
					case '0': case '#':
						while (i < fmt.length && ("0#?.,E+-%".indexOf(c = fmt.charAt(++i)) > -1 || (c == '\\' && fmt.charAt(i + 1) == "-" && "0#".indexOf(fmt.charAt(i + 2)) > -1))) {/* empty */ }
						break;
					case '?': while (fmt.charAt(++i) === c) {/* empty */ } break;
					case '*': ++i; if (fmt.charAt(i) == ' ' || fmt.charAt(i) == '*') ++i; break;
					case '(': case ')': ++i; break;
					case '1': case '2': case '3': case '4': case '5': case '6': case '7': case '8': case '9':
						while (i < fmt.length && "0123456789".indexOf(fmt.charAt(++i)) > -1) {/* empty */ } break;
					case ' ': ++i; break;
					default: ++i; break;
				}
			}
			return false;
		}
		SSF.is_date = fmt_is_date;
		function eval_fmt(fmt, v, opts, flen) {
			var out = [], o = "", i = 0, c = "", lst = 't', dt, j, cc;
			var hr = 'H';
			/* Tokenize */
			while (i < fmt.length) {
				switch ((c = fmt.charAt(i))) {
					case 'G': /* General */
						if (!isgeneral(fmt, i)) throw new Error('unrecognized character ' + c + ' in ' + fmt);
						out[out.length] = { t: 'G', v: 'General' }; i += 7; break;
					case '"': /* Literal text */
						for (o = ""; (cc = fmt.charCodeAt(++i)) !== 34 && i < fmt.length;) o += String.fromCharCode(cc);
						out[out.length] = { t: 't', v: o }; ++i; break;
					case '\\': var w = fmt.charAt(++i), t = (w === "(" || w === ")") ? w : 't';
						out[out.length] = { t: t, v: w }; ++i; break;
					case '_': out[out.length] = { t: 't', v: " " }; i += 2; break;
					case '@': /* Text Placeholder */
						out[out.length] = { t: 'T', v: v }; ++i; break;
					case 'B': case 'b':
						if (fmt.charAt(i + 1) === "1" || fmt.charAt(i + 1) === "2") {
							if (dt == null) { dt = parse_date_code(v, opts, fmt.charAt(i + 1) === "2"); if (dt == null) return ""; }
							out[out.length] = { t: 'X', v: fmt.substr(i, 2) }; lst = c; i += 2; break;
						}
					/* falls through */
					case 'M': case 'D': case 'Y': case 'H': case 'S': case 'E':
						c = c.toLowerCase();
					/* falls through */
					case 'm': case 'd': case 'y': case 'h': case 's': case 'e': case 'g':
						if (v < 0) return "";
						if (dt == null) { dt = parse_date_code(v, opts); if (dt == null) return ""; }
						o = c; while (++i < fmt.length && fmt.charAt(i).toLowerCase() === c) o += c;
						if (c === 'm' && lst.toLowerCase() === 'h') c = 'M';
						if (c === 'h') c = hr;
						out[out.length] = { t: c, v: o }; lst = c; break;
					case 'A': case 'a':
						var q = { t: c, v: c };
						if (dt == null) dt = parse_date_code(v, opts);
						if (fmt.substr(i, 3).toUpperCase() === "A/P") { if (dt != null) q.v = dt.H >= 12 ? "P" : "A"; q.t = 'T'; hr = 'h'; i += 3; }
						else if (fmt.substr(i, 5).toUpperCase() === "AM/PM") { if (dt != null) q.v = dt.H >= 12 ? "PM" : "AM"; q.t = 'T'; i += 5; hr = 'h'; }
						else { q.t = "t"; ++i; }
						if (dt == null && q.t === 'T') return "";
						out[out.length] = q; lst = c; break;
					case '[':
						o = c;
						while (fmt.charAt(i++) !== ']' && i < fmt.length) o += fmt.charAt(i);
						if (o.slice(-1) !== ']') throw 'unterminated "[" block: |' + o + '|';
						if (o.match(abstime)) {
							if (dt == null) { dt = parse_date_code(v, opts); if (dt == null) return ""; }
							out[out.length] = { t: 'Z', v: o.toLowerCase() };
							lst = o.charAt(1);
						} else if (o.indexOf("$") > -1) {
							o = (o.match(/\$([^-\[\]]*)/) || [])[1] || "$";
							if (!fmt_is_date(fmt)) out[out.length] = { t: 't', v: o };
						}
						break;
					/* Numbers */
					case '.':
						if (dt != null) {
							o = c; while (++i < fmt.length && (c = fmt.charAt(i)) === "0") o += c;
							out[out.length] = { t: 's', v: o }; break;
						}
					/* falls through */
					case '0': case '#':
						o = c; while ((++i < fmt.length && "0#?.,E+-%".indexOf(c = fmt.charAt(i)) > -1) || (c == '\\' && fmt.charAt(i + 1) == "-" && i < fmt.length - 2 && "0#".indexOf(fmt.charAt(i + 2)) > -1)) o += c;
						out[out.length] = { t: 'n', v: o }; break;
					case '?':
						o = c; while (fmt.charAt(++i) === c) o += c;
						out[out.length] = { t: c, v: o }; lst = c; break;
					case '*': ++i; if (fmt.charAt(i) == ' ' || fmt.charAt(i) == '*') ++i; break; // **
					case '(': case ')': out[out.length] = { t: (flen === 1 ? 't' : c), v: c }; ++i; break;
					case '1': case '2': case '3': case '4': case '5': case '6': case '7': case '8': case '9':
						o = c; while (i < fmt.length && "0123456789".indexOf(fmt.charAt(++i)) > -1) o += fmt.charAt(i);
						out[out.length] = { t: 'D', v: o }; break;
					case ' ': out[out.length] = { t: c, v: c }; ++i; break;
					default:
						if (",$-+/():!^&'~{}<>=€acfijklopqrtuvwxzP".indexOf(c) === -1) throw new Error('unrecognized character ' + c + ' in ' + fmt);
						out[out.length] = { t: 't', v: c }; ++i; break;
				}
			}
			var bt = 0, ss0 = 0, ssm;
			for (i = out.length - 1, lst = 't'; i >= 0; --i) {
				switch (out[i].t) {
					case 'h': case 'H': out[i].t = hr; lst = 'h'; if (bt < 1) bt = 1; break;
					case 's':
						if ((ssm = out[i].v.match(/\.0+$/))) ss0 = Math.max(ss0, ssm[0].length - 1);
						if (bt < 3) bt = 3;
					/* falls through */
					case 'd': case 'y': case 'M': case 'e': lst = out[i].t; break;
					case 'm': if (lst === 's') { out[i].t = 'M'; if (bt < 2) bt = 2; } break;
					case 'X': /*if(out[i].v === "B2");*/
						break;
					case 'Z':
						if (bt < 1 && out[i].v.match(/[Hh]/)) bt = 1;
						if (bt < 2 && out[i].v.match(/[Mm]/)) bt = 2;
						if (bt < 3 && out[i].v.match(/[Ss]/)) bt = 3;
				}
			}
			switch (bt) {
				case 0: break;
				case 1:
					if (dt.u >= 0.5) { dt.u = 0; ++dt.S; }
					if (dt.S >= 60) { dt.S = 0; ++dt.M; }
					if (dt.M >= 60) { dt.M = 0; ++dt.H; }
					break;
				case 2:
					if (dt.u >= 0.5) { dt.u = 0; ++dt.S; }
					if (dt.S >= 60) { dt.S = 0; ++dt.M; }
					break;
			}
			/* replace fields */
			var nstr = "", jj;
			for (i = 0; i < out.length; ++i) {
				switch (out[i].t) {
					case 't': case 'T': case ' ': case 'D': break;
					case 'X': out[i].v = ""; out[i].t = ";"; break;
					case 'd': case 'm': case 'y': case 'h': case 'H': case 'M': case 's': case 'e': case 'b': case 'Z':
						out[i].v = write_date(out[i].t.charCodeAt(0), out[i].v, dt, ss0);
						out[i].t = 't'; break;
					case 'n': case '(': case '?':
						jj = i + 1;
						while (out[jj] != null && (
							(c = out[jj].t) === "?" || c === "D" ||
							((c === " " || c === "t") && out[jj + 1] != null && (out[jj + 1].t === '?' || out[jj + 1].t === "t" && out[jj + 1].v === '/')) ||
							(out[i].t === '(' && (c === ' ' || c === 'n' || c === ')')) ||
							(c === 't' && (out[jj].v === '/' || out[jj].v === ' ' && out[jj + 1] != null && out[jj + 1].t == '?'))
						)) {
							out[i].v += out[jj].v;
							out[jj] = { v: "", t: ";" }; ++jj;
						}
						nstr += out[i].v;
						i = jj - 1; break;
					case 'G': out[i].t = 't'; out[i].v = general_fmt(v, opts); break;
				}
			}
			var vv = "", myv, ostr;
			if (nstr.length > 0) {
				if (nstr.charCodeAt(0) == 40) /* '(' */ {
					myv = (v < 0 && nstr.charCodeAt(0) === 45 ? -v : v);
					ostr = write_num('(', nstr, myv);
				} else {
					myv = (v < 0 && flen > 1 ? -v : v);
					ostr = write_num('n', nstr, myv);
					if (myv < 0 && out[0] && out[0].t == 't') {
						ostr = ostr.substr(1);
						out[0].v = "-" + out[0].v;
					}
				}
				jj = ostr.length - 1;
				var decpt = out.length;
				for (i = 0; i < out.length; ++i) if (out[i] != null && out[i].t != 't' && out[i].v.indexOf(".") > -1) { decpt = i; break; }
				var lasti = out.length;
				if (decpt === out.length && ostr.indexOf("E") === -1) {
					for (i = out.length - 1; i >= 0; --i) {
						if (out[i] == null || 'n?('.indexOf(out[i].t) === -1) continue;
						if (jj >= out[i].v.length - 1) { jj -= out[i].v.length; out[i].v = ostr.substr(jj + 1, out[i].v.length); }
						else if (jj < 0) out[i].v = "";
						else { out[i].v = ostr.substr(0, jj + 1); jj = -1; }
						out[i].t = 't';
						lasti = i;
					}
					if (jj >= 0 && lasti < out.length) out[lasti].v = ostr.substr(0, jj + 1) + out[lasti].v;
				}
				else if (decpt !== out.length && ostr.indexOf("E") === -1) {
					jj = ostr.indexOf(".") - 1;
					for (i = decpt; i >= 0; --i) {
						if (out[i] == null || 'n?('.indexOf(out[i].t) === -1) continue;
						j = out[i].v.indexOf(".") > -1 && i === decpt ? out[i].v.indexOf(".") - 1 : out[i].v.length - 1;
						vv = out[i].v.substr(j + 1);
						for (; j >= 0; --j) {
							if (jj >= 0 && (out[i].v.charAt(j) === "0" || out[i].v.charAt(j) === "#")) vv = ostr.charAt(jj--) + vv;
						}
						out[i].v = vv;
						out[i].t = 't';
						lasti = i;
					}
					if (jj >= 0 && lasti < out.length) out[lasti].v = ostr.substr(0, jj + 1) + out[lasti].v;
					jj = ostr.indexOf(".") + 1;
					for (i = decpt; i < out.length; ++i) {
						if (out[i] == null || ('n?('.indexOf(out[i].t) === -1 && i !== decpt)) continue;
						j = out[i].v.indexOf(".") > -1 && i === decpt ? out[i].v.indexOf(".") + 1 : 0;
						vv = out[i].v.substr(0, j);
						for (; j < out[i].v.length; ++j) {
							if (jj < ostr.length) vv += ostr.charAt(jj++);
						}
						out[i].v = vv;
						out[i].t = 't';
						lasti = i;
					}
				}
			}
			for (i = 0; i < out.length; ++i) if (out[i] != null && 'n(?'.indexOf(out[i].t) > -1) {
				myv = (flen > 1 && v < 0 && i > 0 && out[i - 1].v === "-" ? -v : v);
				out[i].v = write_num(out[i].t, out[i].v, myv);
				out[i].t = 't';
			}
			var retval = "";
			for (i = 0; i !== out.length; ++i) if (out[i] != null) retval += out[i].v;
			return retval;
		}
		SSF._eval = eval_fmt;
		var cfregex = /\[[=<>]/;
		var cfregex2 = /\[(=|>[=]?|<[>=]?)(-?\d+(?:\.\d*)?)\]/;
		function chkcond(v, rr) {
			if (rr == null) return false;
			var thresh = parseFloat(rr[2]);
			switch (rr[1]) {
				case "=": if (v == thresh) return true; break;
				case ">": if (v > thresh) return true; break;
				case "<": if (v < thresh) return true; break;
				case "<>": if (v != thresh) return true; break;
				case ">=": if (v >= thresh) return true; break;
				case "<=": if (v <= thresh) return true; break;
			}
			return false;
		}
		function choose_fmt(f, v) {
			var fmt = split_fmt(f);
			var l = fmt.length, lat = fmt[l - 1].indexOf("@");
			if (l < 4 && lat > -1) --l;
			if (fmt.length > 4) throw new Error("cannot find right format for |" + fmt.join("|") + "|");
			if (typeof v !== "number") return [4, fmt.length === 4 || lat > -1 ? fmt[fmt.length - 1] : "@"];
			switch (fmt.length) {
				case 1: fmt = lat > -1 ? ["General", "General", "General", fmt[0]] : [fmt[0], fmt[0], fmt[0], "@"]; break;
				case 2: fmt = lat > -1 ? [fmt[0], fmt[0], fmt[0], fmt[1]] : [fmt[0], fmt[1], fmt[0], "@"]; break;
				case 3: fmt = lat > -1 ? [fmt[0], fmt[1], fmt[0], fmt[2]] : [fmt[0], fmt[1], fmt[2], "@"]; break;
				case 4: break;
			}
			var ff = v > 0 ? fmt[0] : v < 0 ? fmt[1] : fmt[2];
			if (fmt[0].indexOf("[") === -1 && fmt[1].indexOf("[") === -1) return [l, ff];
			if (fmt[0].match(cfregex) != null || fmt[1].match(cfregex) != null) {
				var m1 = fmt[0].match(cfregex2);
				var m2 = fmt[1].match(cfregex2);
				return chkcond(v, m1) ? [l, fmt[0]] : chkcond(v, m2) ? [l, fmt[1]] : [l, fmt[m1 != null && m2 != null ? 2 : 1]];
			}
			return [l, ff];
		}
		function format(fmt, v, o) {
			if (o == null) o = {};
			var sfmt = "";
			switch (typeof fmt) {
				case "string":
					if (fmt == "m/d/yy" && o.dateNF) sfmt = o.dateNF;
					else sfmt = fmt;
					break;
				case "number":
					if (fmt == 14 && o.dateNF) sfmt = o.dateNF;
					else sfmt = (o.table != null ? (o.table) : table_fmt)[fmt];
					break;
			}
			if (isgeneral(sfmt, 0)) return general_fmt(v, o);
			if (v instanceof Date) v = datenum_local(v, o.date1904);
			var f = choose_fmt(sfmt, v);
			if (isgeneral(f[1])) return general_fmt(v, o);
			if (v === true) v = "TRUE"; else if (v === false) v = "FALSE";
			else if (v === "" || v == null) return "";
			return eval_fmt(f[1], v, o, f[0]);
		}
		function load_entry(fmt, idx) {
			if (typeof idx != 'number') {
				idx = +idx || -1;
				for (var i = 0; i < 0x0188; ++i) {
					if (table_fmt[i] == undefined) { if (idx < 0) idx = i; continue; }
					if (table_fmt[i] == fmt) { idx = i; break; }
				}
				if (idx < 0) idx = 0x187;
			}
			table_fmt[idx] = fmt;
			return idx;
		}
		SSF.load = load_entry;
		SSF._table = table_fmt;
		SSF.get_table = function get_table() { return table_fmt; };
		SSF.load_table = function load_table(tbl) {
			for (var i = 0; i != 0x0188; ++i)
				if (tbl[i] !== undefined) load_entry(tbl[i], i);
		};
		SSF.init_table = init_table;
		SSF.format = format;
	};
	make_ssf(SSF);
	/* map from xlml named formats to SSF TODO: localize */
	var XLMLFormatMap/*{[string]:string}*/ = ({
		"General Number": "General",
		"General Date": SSF._table[22],
		"Long Date": "dddd, mmmm dd, yyyy",
		"Medium Date": SSF._table[15],
		"Short Date": SSF._table[14],
		"Long Time": SSF._table[19],
		"Medium Time": SSF._table[18],
		"Short Time": SSF._table[20],
		"Currency": '"$"#,##0.00_);[Red]\\("$"#,##0.00\\)',
		"Fixed": SSF._table[2],
		"Standard": SSF._table[4],
		"Percent": SSF._table[10],
		"Scientific": SSF._table[11],
		"Yes/No": '"Yes";"Yes";"No";@',
		"True/False": '"True";"True";"False";@',
		"On/Off": '"Yes";"Yes";"No";@'
	});

	var SSFImplicit/*{[number]:string}*/ = ({
		"5": '"$"#,##0_);\\("$"#,##0\\)',
		"6": '"$"#,##0_);[Red]\\("$"#,##0\\)',
		"7": '"$"#,##0.00_);\\("$"#,##0.00\\)',
		"8": '"$"#,##0.00_);[Red]\\("$"#,##0.00\\)',
		"23": 'General', "24": 'General', "25": 'General', "26": 'General',
		"27": 'm/d/yy', "28": 'm/d/yy', "29": 'm/d/yy', "30": 'm/d/yy', "31": 'm/d/yy',
		"32": 'h:mm:ss', "33": 'h:mm:ss', "34": 'h:mm:ss', "35": 'h:mm:ss',
		"36": 'm/d/yy',
		"41": '_(* #,##0_);_(* \(#,##0\);_(* "-"_);_(@_)',
		"42": '_("$"* #,##0_);_("$"* \(#,##0\);_("$"* "-"_);_(@_)',
		"43": '_(* #,##0.00_);_(* \(#,##0.00\);_(* "-"??_);_(@_)',
		"44": '_("$"* #,##0.00_);_("$"* \(#,##0.00\);_("$"* "-"??_);_(@_)',
		"50": 'm/d/yy', "51": 'm/d/yy', "52": 'm/d/yy', "53": 'm/d/yy', "54": 'm/d/yy',
		"55": 'm/d/yy', "56": 'm/d/yy', "57": 'm/d/yy', "58": 'm/d/yy',
		"59": '0',
		"60": '0.00',
		"61": '#,##0',
		"62": '#,##0.00',
		"63": '"$"#,##0_);\\("$"#,##0\\)',
		"64": '"$"#,##0_);[Red]\\("$"#,##0\\)',
		"65": '"$"#,##0.00_);\\("$"#,##0.00\\)',
		"66": '"$"#,##0.00_);[Red]\\("$"#,##0.00\\)',
		"67": '0%',
		"68": '0.00%',
		"69": '# ?/?',
		"70": '# ??/??',
		"71": 'm/d/yy',
		"72": 'm/d/yy',
		"73": 'd-mmm-yy',
		"74": 'd-mmm',
		"75": 'mmm-yy',
		"76": 'h:mm',
		"77": 'h:mm:ss',
		"78": 'm/d/yy h:mm',
		"79": 'mm:ss',
		"80": '[h]:mm:ss',
		"81": 'mmss.0'
	});

	/* dateNF parse TODO: move to SSF */
	var dateNFregex = /[dD]+|[mM]+|[yYeE]+|[Hh]+|[Ss]+/g;
	function dateNF_regex(dateNF) {
		var fmt = typeof dateNF == "number" ? SSF._table[dateNF] : dateNF;
		fmt = fmt.replace(dateNFregex, "(\\d+)");
		return new RegExp("^" + fmt + "$");
	}
	function dateNF_fix(str, dateNF, match) {
		var Y = -1, m = -1, d = -1, H = -1, M = -1, S = -1;
		(dateNF.match(dateNFregex) || []).forEach(function (n, i) {
			var v = parseInt(match[i + 1], 10);
			switch (n.toLowerCase().charAt(0)) {
				case 'y': Y = v; break; case 'd': d = v; break;
				case 'h': H = v; break; case 's': S = v; break;
				case 'm': if (H >= 0) M = v; else m = v; break;
			}
		});
		if (S >= 0 && M == -1 && m >= 0) { M = m; m = -1; }
		var datestr = (("" + (Y >= 0 ? Y : new Date().getFullYear())).slice(-4) + "-" + ("00" + (m >= 1 ? m : 1)).slice(-2) + "-" + ("00" + (d >= 1 ? d : 1)).slice(-2));
		if (datestr.length == 7) datestr = "0" + datestr;
		if (datestr.length == 8) datestr = "20" + datestr;
		var timestr = (("00" + (H >= 0 ? H : 0)).slice(-2) + ":" + ("00" + (M >= 0 ? M : 0)).slice(-2) + ":" + ("00" + (S >= 0 ? S : 0)).slice(-2));
		if (H == -1 && M == -1 && S == -1) return datestr;
		if (Y == -1 && m == -1 && d == -1) return timestr;
		return datestr + "T" + timestr;
	}

	var DO_NOT_EXPORT_CFB = true;
	/* cfb.js (C) 2013-present SheetJS -- http://sheetjs.com */
	/* vim: set ts=2: */
	/*jshint eqnull:true */
	/*exported CFB */
	/*global module, require:false, process:false, Buffer:false, Uint8Array:false, Uint16Array:false */

	/* crc32.js (C) 2014-present SheetJS -- http://sheetjs.com */
	/* vim: set ts=2: */
	/*exported CRC32 */
	var CRC32;
	(function (factory) {
		/*jshint ignore:start */
		/*eslint-disable */
		factory(CRC32 = {});
		/*eslint-enable */
		/*jshint ignore:end */
	}(function (CRC32) {
		CRC32.version = '1.2.0';
		/* see perf/crc32table.js */
		/*global Int32Array */
		function signed_crc_table() {
			var c = 0, table = new Array(256);

			for (var n = 0; n != 256; ++n) {
				c = n;
				c = ((c & 1) ? (-306674912 ^ (c >>> 1)) : (c >>> 1));
				c = ((c & 1) ? (-306674912 ^ (c >>> 1)) : (c >>> 1));
				c = ((c & 1) ? (-306674912 ^ (c >>> 1)) : (c >>> 1));
				c = ((c & 1) ? (-306674912 ^ (c >>> 1)) : (c >>> 1));
				c = ((c & 1) ? (-306674912 ^ (c >>> 1)) : (c >>> 1));
				c = ((c & 1) ? (-306674912 ^ (c >>> 1)) : (c >>> 1));
				c = ((c & 1) ? (-306674912 ^ (c >>> 1)) : (c >>> 1));
				c = ((c & 1) ? (-306674912 ^ (c >>> 1)) : (c >>> 1));
				table[n] = c;
			}

			return typeof Int32Array !== 'undefined' ? new Int32Array(table) : table;
		}

		var T = signed_crc_table();
		function crc32_bstr(bstr, seed) {
			var C = seed ^ -1, L = bstr.length - 1;
			for (var i = 0; i < L;) {
				C = (C >>> 8) ^ T[(C ^ bstr.charCodeAt(i++)) & 0xFF];
				C = (C >>> 8) ^ T[(C ^ bstr.charCodeAt(i++)) & 0xFF];
			}
			if (i === L) C = (C >>> 8) ^ T[(C ^ bstr.charCodeAt(i)) & 0xFF];
			return C ^ -1;
		}

		function crc32_buf(buf, seed) {
			if (buf.length > 10000) return crc32_buf_8(buf, seed);
			var C = seed ^ -1, L = buf.length - 3;
			for (var i = 0; i < L;) {
				C = (C >>> 8) ^ T[(C ^ buf[i++]) & 0xFF];
				C = (C >>> 8) ^ T[(C ^ buf[i++]) & 0xFF];
				C = (C >>> 8) ^ T[(C ^ buf[i++]) & 0xFF];
				C = (C >>> 8) ^ T[(C ^ buf[i++]) & 0xFF];
			}
			while (i < L + 3) C = (C >>> 8) ^ T[(C ^ buf[i++]) & 0xFF];
			return C ^ -1;
		}

		function crc32_buf_8(buf, seed) {
			var C = seed ^ -1, L = buf.length - 7;
			for (var i = 0; i < L;) {
				C = (C >>> 8) ^ T[(C ^ buf[i++]) & 0xFF];
				C = (C >>> 8) ^ T[(C ^ buf[i++]) & 0xFF];
				C = (C >>> 8) ^ T[(C ^ buf[i++]) & 0xFF];
				C = (C >>> 8) ^ T[(C ^ buf[i++]) & 0xFF];
				C = (C >>> 8) ^ T[(C ^ buf[i++]) & 0xFF];
				C = (C >>> 8) ^ T[(C ^ buf[i++]) & 0xFF];
				C = (C >>> 8) ^ T[(C ^ buf[i++]) & 0xFF];
				C = (C >>> 8) ^ T[(C ^ buf[i++]) & 0xFF];
			}
			while (i < L + 7) C = (C >>> 8) ^ T[(C ^ buf[i++]) & 0xFF];
			return C ^ -1;
		}

		function crc32_str(str, seed) {
			var C = seed ^ -1;
			for (var i = 0, L = str.length, c, d; i < L;) {
				c = str.charCodeAt(i++);
				if (c < 0x80) {
					C = (C >>> 8) ^ T[(C ^ c) & 0xFF];
				} else if (c < 0x800) {
					C = (C >>> 8) ^ T[(C ^ (192 | ((c >> 6) & 31))) & 0xFF];
					C = (C >>> 8) ^ T[(C ^ (128 | (c & 63))) & 0xFF];
				} else if (c >= 0xD800 && c < 0xE000) {
					c = (c & 1023) + 64; d = str.charCodeAt(i++) & 1023;
					C = (C >>> 8) ^ T[(C ^ (240 | ((c >> 8) & 7))) & 0xFF];
					C = (C >>> 8) ^ T[(C ^ (128 | ((c >> 2) & 63))) & 0xFF];
					C = (C >>> 8) ^ T[(C ^ (128 | ((d >> 6) & 15) | ((c & 3) << 4))) & 0xFF];
					C = (C >>> 8) ^ T[(C ^ (128 | (d & 63))) & 0xFF];
				} else {
					C = (C >>> 8) ^ T[(C ^ (224 | ((c >> 12) & 15))) & 0xFF];
					C = (C >>> 8) ^ T[(C ^ (128 | ((c >> 6) & 63))) & 0xFF];
					C = (C >>> 8) ^ T[(C ^ (128 | (c & 63))) & 0xFF];
				}
			}
			return C ^ -1;
		}
		CRC32.table = T;
		CRC32.bstr = crc32_bstr;
		CRC32.buf = crc32_buf;
		CRC32.str = crc32_str;
	}));
	/* [MS-CFB] v20171201 */
	var CFB = (function _CFB() {
		var exports = {};
		exports.version = '1.1.3';
		/* [MS-CFB] 2.6.4 */
		function namecmp(l, r) {
			var L = l.split("/"), R = r.split("/");
			for (var i = 0, c = 0, Z = Math.min(L.length, R.length); i < Z; ++i) {
				if ((c = L[i].length - R[i].length)) return c;
				if (L[i] != R[i]) return L[i] < R[i] ? -1 : 1;
			}
			return L.length - R.length;
		}
		function dirname(p) {
			if (p.charAt(p.length - 1) == "/") return (p.slice(0, -1).indexOf("/") === -1) ? p : dirname(p.slice(0, -1));
			var c = p.lastIndexOf("/");
			return (c === -1) ? p : p.slice(0, c + 1);
		}

		function filename(p) {
			if (p.charAt(p.length - 1) == "/") return filename(p.slice(0, -1));
			var c = p.lastIndexOf("/");
			return (c === -1) ? p : p.slice(c + 1);
		}
		/* -------------------------------------------------------------------------- */
		/* DOS Date format:
		   high|YYYYYYYm.mmmddddd.HHHHHMMM.MMMSSSSS|low
		   add 1980 to stored year
		   stored second should be doubled
		*/

		/* write JS date to buf as a DOS date */
		function write_dos_date(buf, date) {
			if (typeof date === "string") date = new Date(date);
			var hms = date.getHours();
			hms = hms << 6 | date.getMinutes();
			hms = hms << 5 | (date.getSeconds() >>> 1);
			buf.write_shift(2, hms);
			var ymd = (date.getFullYear() - 1980);
			ymd = ymd << 4 | (date.getMonth() + 1);
			ymd = ymd << 5 | date.getDate();
			buf.write_shift(2, ymd);
		}

		/* read four bytes from buf and interpret as a DOS date */
		function parse_dos_date(buf) {
			var hms = buf.read_shift(2) & 0xFFFF;
			var ymd = buf.read_shift(2) & 0xFFFF;
			var val = new Date();
			var d = ymd & 0x1F; ymd >>>= 5;
			var m = ymd & 0x0F; ymd >>>= 4;
			val.setMilliseconds(0);
			val.setFullYear(ymd + 1980);
			val.setMonth(m - 1);
			val.setDate(d);
			var S = hms & 0x1F; hms >>>= 5;
			var M = hms & 0x3F; hms >>>= 6;
			val.setHours(hms);
			val.setMinutes(M);
			val.setSeconds(S << 1);
			return val;
		}
		function parse_extra_field(blob) {
			prep_blob(blob, 0);
			var o = {};
			var flags = 0;
			while (blob.l <= blob.length - 4) {
				var type = blob.read_shift(2);
				var sz = blob.read_shift(2), tgt = blob.l + sz;
				var p = {};
				switch (type) {
					/* UNIX-style Timestamps */
					case 0x5455: {
						flags = blob.read_shift(1);
						if (flags & 1) p.mtime = blob.read_shift(4);
						/* for some reason, CD flag corresponds to LFH */
						if (sz > 5) {
							if (flags & 2) p.atime = blob.read_shift(4);
							if (flags & 4) p.ctime = blob.read_shift(4);
						}
						if (p.mtime) p.mt = new Date(p.mtime * 1000);
					}
						break;
				}
				blob.l = tgt;
				o[type] = p;
			}
			return o;
		}
		var fs;
		function get_fs() { return fs || (fs = require('fs')); }
		function parse(file, options) {
			if (file[0] == 0x50 && file[1] == 0x4b) return parse_zip(file, options);
			if (file.length < 512) throw new Error("CFB file size " + file.length + " < 512");
			var mver = 3;
			var ssz = 512;
			var nmfs = 0; // number of mini FAT sectors
			var difat_sec_cnt = 0;
			var dir_start = 0;
			var minifat_start = 0;
			var difat_start = 0;

			var fat_addrs = []; // locations of FAT sectors

			/* [MS-CFB] 2.2 Compound File Header */
			var blob = file.slice(0, 512);
			prep_blob(blob, 0);

			/* major version */
			var mv = check_get_mver(blob);
			mver = mv[0];
			switch (mver) {
				case 3: ssz = 512; break; case 4: ssz = 4096; break;
				case 0: if (mv[1] == 0) return parse_zip(file, options);
				/* falls through */
				default: throw new Error("Major Version: Expected 3 or 4 saw " + mver);
			}

			/* reprocess header */
			if (ssz !== 512) { blob = file.slice(0, ssz); prep_blob(blob, 28 /* blob.l */); }
			/* Save header for final object */
			var header = file.slice(0, ssz);

			check_shifts(blob, mver);

			// Number of Directory Sectors
			var dir_cnt = blob.read_shift(4, 'i');
			if (mver === 3 && dir_cnt !== 0) throw new Error('# Directory Sectors: Expected 0 saw ' + dir_cnt);

			// Number of FAT Sectors
			blob.l += 4;

			// First Directory Sector Location
			dir_start = blob.read_shift(4, 'i');

			// Transaction Signature
			blob.l += 4;

			// Mini Stream Cutoff Size
			blob.chk('00100000', 'Mini Stream Cutoff Size: ');

			// First Mini FAT Sector Location
			minifat_start = blob.read_shift(4, 'i');

			// Number of Mini FAT Sectors
			nmfs = blob.read_shift(4, 'i');

			// First DIFAT sector location
			difat_start = blob.read_shift(4, 'i');

			// Number of DIFAT Sectors
			difat_sec_cnt = blob.read_shift(4, 'i');

			// Grab FAT Sector Locations
			for (var q = -1, j = 0; j < 109; ++j) { /* 109 = (512 - blob.l)>>>2; */
				q = blob.read_shift(4, 'i');
				if (q < 0) break;
				fat_addrs[j] = q;
			}

			/** Break the file up into sectors */
			var sectors = sectorify(file, ssz);

			sleuth_fat(difat_start, difat_sec_cnt, sectors, ssz, fat_addrs);

			/** Chains */
			var sector_list = make_sector_list(sectors, dir_start, fat_addrs, ssz);

			sector_list[dir_start].name = "!Directory";
			if (nmfs > 0 && minifat_start !== ENDOFCHAIN) sector_list[minifat_start].name = "!MiniFAT";
			sector_list[fat_addrs[0]].name = "!FAT";
			sector_list.fat_addrs = fat_addrs;
			sector_list.ssz = ssz;

			/* [MS-CFB] 2.6.1 Compound File Directory Entry */
			var files = {}, Paths = [], FileIndex = [], FullPaths = [];
			read_directory(dir_start, sector_list, sectors, Paths, nmfs, files, FileIndex, minifat_start);

			build_full_paths(FileIndex, FullPaths, Paths);
			Paths.shift();

			var o = {
				FileIndex: FileIndex,
				FullPaths: FullPaths
			};

			// $FlowIgnore
			if (options && options.raw) o.raw = { header: header, sectors: sectors };
			return o;
		} // parse

		/* [MS-CFB] 2.2 Compound File Header -- read up to major version */
		function check_get_mver(blob) {
			if (blob[blob.l] == 0x50 && blob[blob.l + 1] == 0x4b) return [0, 0];
			// header signature 8
			blob.chk(HEADER_SIGNATURE, 'Header Signature: ');

			// clsid 16
			//blob.chk(HEADER_CLSID, 'CLSID: ');
			blob.l += 16;

			// minor version 2
			var mver = blob.read_shift(2, 'u');

			return [blob.read_shift(2, 'u'), mver];
		}
		function check_shifts(blob, mver) {
			var shift = 0x09;

			// Byte Order
			//blob.chk('feff', 'Byte Order: '); // note: some writers put 0xffff
			blob.l += 2;

			// Sector Shift
			switch ((shift = blob.read_shift(2))) {
				case 0x09: if (mver != 3) throw new Error('Sector Shift: Expected 9 saw ' + shift); break;
				case 0x0c: if (mver != 4) throw new Error('Sector Shift: Expected 12 saw ' + shift); break;
				default: throw new Error('Sector Shift: Expected 9 or 12 saw ' + shift);
			}

			// Mini Sector Shift
			blob.chk('0600', 'Mini Sector Shift: ');

			// Reserved
			blob.chk('000000000000', 'Reserved: ');
		}

		/** Break the file up into sectors */
		function sectorify(file, ssz) {
			var nsectors = Math.ceil(file.length / ssz) - 1;
			var sectors = [];
			for (var i = 1; i < nsectors; ++i) sectors[i - 1] = file.slice(i * ssz, (i + 1) * ssz);
			sectors[nsectors - 1] = file.slice(nsectors * ssz);
			return sectors;
		}

		/* [MS-CFB] 2.6.4 Red-Black Tree */
		function build_full_paths(FI, FP, Paths) {
			var i = 0, L = 0, R = 0, C = 0, j = 0, pl = Paths.length;
			var dad = [], q = [];

			for (; i < pl; ++i) { dad[i] = q[i] = i; FP[i] = Paths[i]; }

			for (; j < q.length; ++j) {
				i = q[j];
				L = FI[i].L; R = FI[i].R; C = FI[i].C;
				if (dad[i] === i) {
					if (L !== -1 /*NOSTREAM*/ && dad[L] !== L) dad[i] = dad[L];
					if (R !== -1 && dad[R] !== R) dad[i] = dad[R];
				}
				if (C !== -1 /*NOSTREAM*/) dad[C] = i;
				if (L !== -1 && i != dad[i]) { dad[L] = dad[i]; if (q.lastIndexOf(L) < j) q.push(L); }
				if (R !== -1 && i != dad[i]) { dad[R] = dad[i]; if (q.lastIndexOf(R) < j) q.push(R); }
			}
			for (i = 1; i < pl; ++i) if (dad[i] === i) {
				if (R !== -1 /*NOSTREAM*/ && dad[R] !== R) dad[i] = dad[R];
				else if (L !== -1 && dad[L] !== L) dad[i] = dad[L];
			}

			for (i = 1; i < pl; ++i) {
				if (FI[i].type === 0 /* unknown */) continue;
				j = i;
				if (j != dad[j]) do {
					j = dad[j];
					FP[i] = FP[j] + "/" + FP[i];
				} while (j !== 0 && -1 !== dad[j] && j != dad[j]);
				dad[i] = -1;
			}

			FP[0] += "/";
			for (i = 1; i < pl; ++i) {
				if (FI[i].type !== 2 /* stream */) FP[i] += "/";
			}
		}

		function get_mfat_entry(entry, payload, mini) {
			var start = entry.start, size = entry.size;
			//return (payload.slice(start*MSSZ, start*MSSZ + size));
			var o = [];
			var idx = start;
			while (mini && size > 0 && idx >= 0) {
				o.push(payload.slice(idx * MSSZ, idx * MSSZ + MSSZ));
				size -= MSSZ;
				idx = __readInt32LE(mini, idx * 4);
			}
			if (o.length === 0) return (new_buf(0));
			return (bconcat(o).slice(0, entry.size));
		}

		/** Chase down the rest of the DIFAT chain to build a comprehensive list
			DIFAT chains by storing the next sector number as the last 32 bits */
		function sleuth_fat(idx, cnt, sectors, ssz, fat_addrs) {
			var q = ENDOFCHAIN;
			if (idx === ENDOFCHAIN) {
				if (cnt !== 0) throw new Error("DIFAT chain shorter than expected");
			} else if (idx !== -1 /*FREESECT*/) {
				var sector = sectors[idx], m = (ssz >>> 2) - 1;
				if (!sector) return;
				for (var i = 0; i < m; ++i) {
					if ((q = __readInt32LE(sector, i * 4)) === ENDOFCHAIN) break;
					fat_addrs.push(q);
				}
				sleuth_fat(__readInt32LE(sector, ssz - 4), cnt - 1, sectors, ssz, fat_addrs);
			}
		}

		/** Follow the linked list of sectors for a given starting point */
		function get_sector_list(sectors, start, fat_addrs, ssz, chkd) {
			var buf = [], buf_chain = [];
			if (!chkd) chkd = [];
			var modulus = ssz - 1, j = 0, jj = 0;
			for (j = start; j >= 0;) {
				chkd[j] = true;
				buf[buf.length] = j;
				buf_chain.push(sectors[j]);
				var addr = fat_addrs[Math.floor(j * 4 / ssz)];
				jj = ((j * 4) & modulus);
				if (ssz < 4 + jj) throw new Error("FAT boundary crossed: " + j + " 4 " + ssz);
				if (!sectors[addr]) break;
				j = __readInt32LE(sectors[addr], jj);
			}
			return { nodes: buf, data: __toBuffer([buf_chain]) };
		}

		/** Chase down the sector linked lists */
		function make_sector_list(sectors, dir_start, fat_addrs, ssz) {
			var sl = sectors.length, sector_list = ([]);
			var chkd = [], buf = [], buf_chain = [];
			var modulus = ssz - 1, i = 0, j = 0, k = 0, jj = 0;
			for (i = 0; i < sl; ++i) {
				buf = ([]);
				k = (i + dir_start); if (k >= sl) k -= sl;
				if (chkd[k]) continue;
				buf_chain = [];
				for (j = k; j >= 0;) {
					chkd[j] = true;
					buf[buf.length] = j;
					buf_chain.push(sectors[j]);
					var addr = fat_addrs[Math.floor(j * 4 / ssz)];
					jj = ((j * 4) & modulus);
					if (ssz < 4 + jj) throw new Error("FAT boundary crossed: " + j + " 4 " + ssz);
					if (!sectors[addr]) break;
					j = __readInt32LE(sectors[addr], jj);
				}
				sector_list[k] = ({ nodes: buf, data: __toBuffer([buf_chain]) });
			}
			return sector_list;
		}

		/* [MS-CFB] 2.6.1 Compound File Directory Entry */
		function read_directory(dir_start, sector_list, sectors, Paths, nmfs, files, FileIndex, mini) {
			var minifat_store = 0, pl = (Paths.length ? 2 : 0);
			var sector = sector_list[dir_start].data;
			var i = 0, namelen = 0, name;
			for (; i < sector.length; i += 128) {
				var blob = sector.slice(i, i + 128);
				prep_blob(blob, 64);
				namelen = blob.read_shift(2);
				name = __utf16le(blob, 0, namelen - pl);
				Paths.push(name);
				var o = ({
					name: name,
					type: blob.read_shift(1),
					color: blob.read_shift(1),
					L: blob.read_shift(4, 'i'),
					R: blob.read_shift(4, 'i'),
					C: blob.read_shift(4, 'i'),
					clsid: blob.read_shift(16),
					state: blob.read_shift(4, 'i'),
					start: 0,
					size: 0
				});
				var ctime = blob.read_shift(2) + blob.read_shift(2) + blob.read_shift(2) + blob.read_shift(2);
				if (ctime !== 0) o.ct = read_date(blob, blob.l - 8);
				var mtime = blob.read_shift(2) + blob.read_shift(2) + blob.read_shift(2) + blob.read_shift(2);
				if (mtime !== 0) o.mt = read_date(blob, blob.l - 8);
				o.start = blob.read_shift(4, 'i');
				o.size = blob.read_shift(4, 'i');
				if (o.size < 0 && o.start < 0) { o.size = o.type = 0; o.start = ENDOFCHAIN; o.name = ""; }
				if (o.type === 5) { /* root */
					minifat_store = o.start;
					if (nmfs > 0 && minifat_store !== ENDOFCHAIN) sector_list[minifat_store].name = "!StreamData";
					/*minifat_size = o.size;*/
				} else if (o.size >= 4096 /* MSCSZ */) {
					o.storage = 'fat';
					if (sector_list[o.start] === undefined) sector_list[o.start] = get_sector_list(sectors, o.start, sector_list.fat_addrs, sector_list.ssz);
					sector_list[o.start].name = o.name;
					o.content = (sector_list[o.start].data.slice(0, o.size));
				} else {
					o.storage = 'minifat';
					if (o.size < 0) o.size = 0;
					else if (minifat_store !== ENDOFCHAIN && o.start !== ENDOFCHAIN && sector_list[minifat_store]) {
						o.content = get_mfat_entry(o, sector_list[minifat_store].data, (sector_list[mini] || {}).data);
					}
				}
				if (o.content) prep_blob(o.content, 0);
				files[name] = o;
				FileIndex.push(o);
			}
		}

		function read_date(blob, offset) {
			return new Date((((__readUInt32LE(blob, offset + 4) / 1e7) * Math.pow(2, 32) + __readUInt32LE(blob, offset) / 1e7) - 11644473600) * 1000);
		}

		function read_file(filename, options) {
			get_fs();
			return parse(fs.readFileSync(filename), options);
		}

		function read(blob, options) {
			switch (options && options.type || "base64") {
				case "file": return read_file(blob, options);
				case "base64": return parse(s2a(Base64.decode(blob)), options);
				case "binary": return parse(s2a(blob), options);
			}
			return parse(blob, options);
		}

		function init_cfb(cfb, opts) {
			var o = opts || {}, root = o.root || "Root Entry";
			if (!cfb.FullPaths) cfb.FullPaths = [];
			if (!cfb.FileIndex) cfb.FileIndex = [];
			if (cfb.FullPaths.length !== cfb.FileIndex.length) throw new Error("inconsistent CFB structure");
			if (cfb.FullPaths.length === 0) {
				cfb.FullPaths[0] = root + "/";
				cfb.FileIndex[0] = ({ name: root, type: 5 });
			}
			if (o.CLSID) cfb.FileIndex[0].clsid = o.CLSID;
			seed_cfb(cfb);
		}
		function seed_cfb(cfb) {
			var nm = "\u0001Sh33tJ5";
			if (CFB.find(cfb, "/" + nm)) return;
			var p = new_buf(4); p[0] = 55; p[1] = p[3] = 50; p[2] = 54;
			cfb.FileIndex.push(({ name: nm, type: 2, content: p, size: 4, L: 69, R: 69, C: 69 }));
			cfb.FullPaths.push(cfb.FullPaths[0] + nm);
			rebuild_cfb(cfb);
		}
		function rebuild_cfb(cfb, f) {
			init_cfb(cfb);
			var gc = false, s = false;
			for (var i = cfb.FullPaths.length - 1; i >= 0; --i) {
				var _file = cfb.FileIndex[i];
				switch (_file.type) {
					case 0:
						if (s) gc = true;
						else { cfb.FileIndex.pop(); cfb.FullPaths.pop(); }
						break;
					case 1: case 2: case 5:
						s = true;
						if (isNaN(_file.R * _file.L * _file.C)) gc = true;
						if (_file.R > -1 && _file.L > -1 && _file.R == _file.L) gc = true;
						break;
					default: gc = true; break;
				}
			}
			if (!gc && !f) return;

			var now = new Date(1987, 1, 19), j = 0;
			var data = [];
			for (i = 0; i < cfb.FullPaths.length; ++i) {
				if (cfb.FileIndex[i].type === 0) continue;
				data.push([cfb.FullPaths[i], cfb.FileIndex[i]]);
			}
			for (i = 0; i < data.length; ++i) {
				var dad = dirname(data[i][0]);
				s = false;
				for (j = 0; j < data.length; ++j) if (data[j][0] === dad) s = true;
				if (!s) data.push([dad, ({
					name: filename(dad).replace("/", ""),
					type: 1,
					clsid: HEADER_CLSID,
					ct: now, mt: now,
					content: null
				})]);
			}

			data.sort(function (x, y) { return namecmp(x[0], y[0]); });
			cfb.FullPaths = []; cfb.FileIndex = [];
			for (i = 0; i < data.length; ++i) { cfb.FullPaths[i] = data[i][0]; cfb.FileIndex[i] = data[i][1]; }
			for (i = 0; i < data.length; ++i) {
				var elt = cfb.FileIndex[i];
				var nm = cfb.FullPaths[i];

				elt.name = filename(nm).replace("/", "");
				elt.L = elt.R = elt.C = -(elt.color = 1);
				elt.size = elt.content ? elt.content.length : 0;
				elt.start = 0;
				elt.clsid = (elt.clsid || HEADER_CLSID);
				if (i === 0) {
					elt.C = data.length > 1 ? 1 : -1;
					elt.size = 0;
					elt.type = 5;
				} else if (nm.slice(-1) == "/") {
					for (j = i + 1; j < data.length; ++j) if (dirname(cfb.FullPaths[j]) == nm) break;
					elt.C = j >= data.length ? -1 : j;
					for (j = i + 1; j < data.length; ++j) if (dirname(cfb.FullPaths[j]) == dirname(nm)) break;
					elt.R = j >= data.length ? -1 : j;
					elt.type = 1;
				} else {
					if (dirname(cfb.FullPaths[i + 1] || "") == dirname(nm)) elt.R = i + 1;
					elt.type = 2;
				}
			}

		}

		function _write(cfb, options) {
			var _opts = options || {};
			rebuild_cfb(cfb);
			if (_opts.fileType == 'zip') return write_zip(cfb, _opts);
			var L = (function (cfb) {
				var mini_size = 0, fat_size = 0;
				for (var i = 0; i < cfb.FileIndex.length; ++i) {
					var file = cfb.FileIndex[i];
					if (!file.content) continue;
					var flen = file.content.length;
					if (flen > 0) {
						if (flen < 0x1000) mini_size += (flen + 0x3F) >> 6;
						else fat_size += (flen + 0x01FF) >> 9;
					}
				}
				var dir_cnt = (cfb.FullPaths.length + 3) >> 2;
				var mini_cnt = (mini_size + 7) >> 3;
				var mfat_cnt = (mini_size + 0x7F) >> 7;
				var fat_base = mini_cnt + fat_size + dir_cnt + mfat_cnt;
				var fat_cnt = (fat_base + 0x7F) >> 7;
				var difat_cnt = fat_cnt <= 109 ? 0 : Math.ceil((fat_cnt - 109) / 0x7F);
				while (((fat_base + fat_cnt + difat_cnt + 0x7F) >> 7) > fat_cnt) difat_cnt = ++fat_cnt <= 109 ? 0 : Math.ceil((fat_cnt - 109) / 0x7F);
				var L = [1, difat_cnt, fat_cnt, mfat_cnt, dir_cnt, fat_size, mini_size, 0];
				cfb.FileIndex[0].size = mini_size << 6;
				L[7] = (cfb.FileIndex[0].start = L[0] + L[1] + L[2] + L[3] + L[4] + L[5]) + ((L[6] + 7) >> 3);
				return L;
			})(cfb);
			var o = new_buf(L[7] << 9);
			var i = 0, T = 0;
			{
				for (i = 0; i < 8; ++i) o.write_shift(1, HEADER_SIG[i]);
				for (i = 0; i < 8; ++i) o.write_shift(2, 0);
				o.write_shift(2, 0x003E);
				o.write_shift(2, 0x0003);
				o.write_shift(2, 0xFFFE);
				o.write_shift(2, 0x0009);
				o.write_shift(2, 0x0006);
				for (i = 0; i < 3; ++i) o.write_shift(2, 0);
				o.write_shift(4, 0);
				o.write_shift(4, L[2]);
				o.write_shift(4, L[0] + L[1] + L[2] + L[3] - 1);
				o.write_shift(4, 0);
				o.write_shift(4, 1 << 12);
				o.write_shift(4, L[3] ? L[0] + L[1] + L[2] - 1 : ENDOFCHAIN);
				o.write_shift(4, L[3]);
				o.write_shift(-4, L[1] ? L[0] - 1 : ENDOFCHAIN);
				o.write_shift(4, L[1]);
				for (i = 0; i < 109; ++i) o.write_shift(-4, i < L[2] ? L[1] + i : -1);
			}
			if (L[1]) {
				for (T = 0; T < L[1]; ++T) {
					for (; i < 236 + T * 127; ++i) o.write_shift(-4, i < L[2] ? L[1] + i : -1);
					o.write_shift(-4, T === L[1] - 1 ? ENDOFCHAIN : T + 1);
				}
			}
			var chainit = function (w) {
				for (T += w; i < T - 1; ++i) o.write_shift(-4, i + 1);
				if (w) { ++i; o.write_shift(-4, ENDOFCHAIN); }
			};
			T = i = 0;
			for (T += L[1]; i < T; ++i) o.write_shift(-4, consts.DIFSECT);
			for (T += L[2]; i < T; ++i) o.write_shift(-4, consts.FATSECT);
			chainit(L[3]);
			chainit(L[4]);
			var j = 0, flen = 0;
			var file = cfb.FileIndex[0];
			for (; j < cfb.FileIndex.length; ++j) {
				file = cfb.FileIndex[j];
				if (!file.content) continue;
				flen = file.content.length;
				if (flen < 0x1000) continue;
				file.start = T;
				chainit((flen + 0x01FF) >> 9);
			}
			chainit((L[6] + 7) >> 3);
			while (o.l & 0x1FF) o.write_shift(-4, consts.ENDOFCHAIN);
			T = i = 0;
			for (j = 0; j < cfb.FileIndex.length; ++j) {
				file = cfb.FileIndex[j];
				if (!file.content) continue;
				flen = file.content.length;
				if (!flen || flen >= 0x1000) continue;
				file.start = T;
				chainit((flen + 0x3F) >> 6);
			}
			while (o.l & 0x1FF) o.write_shift(-4, consts.ENDOFCHAIN);
			for (i = 0; i < L[4] << 2; ++i) {
				var nm = cfb.FullPaths[i];
				if (!nm || nm.length === 0) {
					for (j = 0; j < 17; ++j) o.write_shift(4, 0);
					for (j = 0; j < 3; ++j) o.write_shift(4, -1);
					for (j = 0; j < 12; ++j) o.write_shift(4, 0);
					continue;
				}
				file = cfb.FileIndex[i];
				if (i === 0) file.start = file.size ? file.start - 1 : ENDOFCHAIN;
				var _nm = (i === 0 && _opts.root) || file.name;
				flen = 2 * (_nm.length + 1);
				o.write_shift(64, _nm, "utf16le");
				o.write_shift(2, flen);
				o.write_shift(1, file.type);
				o.write_shift(1, file.color);
				o.write_shift(-4, file.L);
				o.write_shift(-4, file.R);
				o.write_shift(-4, file.C);
				if (!file.clsid) for (j = 0; j < 4; ++j) o.write_shift(4, 0);
				else o.write_shift(16, file.clsid, "hex");
				o.write_shift(4, file.state || 0);
				o.write_shift(4, 0); o.write_shift(4, 0);
				o.write_shift(4, 0); o.write_shift(4, 0);
				o.write_shift(4, file.start);
				o.write_shift(4, file.size); o.write_shift(4, 0);
			}
			for (i = 1; i < cfb.FileIndex.length; ++i) {
				file = cfb.FileIndex[i];
				if (file.size >= 0x1000) {
					o.l = (file.start + 1) << 9;
					for (j = 0; j < file.size; ++j) o.write_shift(1, file.content[j]);
					for (; j & 0x1FF; ++j) o.write_shift(1, 0);
				}
			}
			for (i = 1; i < cfb.FileIndex.length; ++i) {
				file = cfb.FileIndex[i];
				if (file.size > 0 && file.size < 0x1000) {
					for (j = 0; j < file.size; ++j) o.write_shift(1, file.content[j]);
					for (; j & 0x3F; ++j) o.write_shift(1, 0);
				}
			}
			while (o.l < o.length) o.write_shift(1, 0);
			return o;
		}
		/* [MS-CFB] 2.6.4 (Unicode 3.0.1 case conversion) */
		function find(cfb, path) {
			var UCFullPaths = cfb.FullPaths.map(function (x) { return x.toUpperCase(); });
			var UCPaths = UCFullPaths.map(function (x) { var y = x.split("/"); return y[y.length - (x.slice(-1) == "/" ? 2 : 1)]; });
			var k = false;
			if (path.charCodeAt(0) === 47 /* "/" */) { k = true; path = UCFullPaths[0].slice(0, -1) + path; }
			else k = path.indexOf("/") !== -1;
			var UCPath = path.toUpperCase();
			var w = k === true ? UCFullPaths.indexOf(UCPath) : UCPaths.indexOf(UCPath);
			if (w !== -1) return cfb.FileIndex[w];

			var m = !UCPath.match(chr1);
			UCPath = UCPath.replace(chr0, '');
			if (m) UCPath = UCPath.replace(chr1, '!');
			for (w = 0; w < UCFullPaths.length; ++w) {
				if ((m ? UCFullPaths[w].replace(chr1, '!') : UCFullPaths[w]).replace(chr0, '') == UCPath) return cfb.FileIndex[w];
				if ((m ? UCPaths[w].replace(chr1, '!') : UCPaths[w]).replace(chr0, '') == UCPath) return cfb.FileIndex[w];
			}
			return null;
		}
		/** CFB Constants */
		var MSSZ = 64; /* Mini Sector Size = 1<<6 */
		//var MSCSZ = 4096; /* Mini Stream Cutoff Size */
		/* 2.1 Compound File Sector Numbers and Types */
		var ENDOFCHAIN = -2;
		/* 2.2 Compound File Header */
		var HEADER_SIGNATURE = 'd0cf11e0a1b11ae1';
		var HEADER_SIG = [0xD0, 0xCF, 0x11, 0xE0, 0xA1, 0xB1, 0x1A, 0xE1];
		var HEADER_CLSID = '00000000000000000000000000000000';
		var consts = {
			/* 2.1 Compund File Sector Numbers and Types */
			MAXREGSECT: -6,
			DIFSECT: -4,
			FATSECT: -3,
			ENDOFCHAIN: ENDOFCHAIN,
			FREESECT: -1,
			/* 2.2 Compound File Header */
			HEADER_SIGNATURE: HEADER_SIGNATURE,
			HEADER_MINOR_VERSION: '3e00',
			MAXREGSID: -6,
			NOSTREAM: -1,
			HEADER_CLSID: HEADER_CLSID,
			/* 2.6.1 Compound File Directory Entry */
			EntryTypes: ['unknown', 'storage', 'stream', 'lockbytes', 'property', 'root']
		};

		function write_file(cfb, filename, options) {
			get_fs();
			var o = _write(cfb, options);
			fs.writeFileSync(filename, o);
		}

		function a2s(o) {
			var out = new Array(o.length);
			for (var i = 0; i < o.length; ++i) out[i] = String.fromCharCode(o[i]);
			return out.join("");
		}

		function write(cfb, options) {
			var o = _write(cfb, options);
			switch (options && options.type) {
				case "file": get_fs(); fs.writeFileSync(options.filename, (o)); return o;
				case "binary": return a2s(o);
				case "base64": return Base64.encode(a2s(o));
			}
			return o;
		}
		/* node < 8.1 zlib does not expose bytesRead, so default to pure JS */
		var _zlib;
		function use_zlib(zlib) {
			try {
				var InflateRaw = zlib.InflateRaw;
				var InflRaw = new InflateRaw();
				InflRaw._processChunk(new Uint8Array([3, 0]), InflRaw._finishFlushFlag);
				if (InflRaw.bytesRead) _zlib = zlib;
				else throw new Error("zlib does not expose bytesRead");
			} catch (e) { console.error("cannot use native zlib: " + (e.message || e)); }
		}

		function _inflateRawSync(payload, usz) {
			if (!_zlib) return _inflate(payload, usz);
			var InflateRaw = _zlib.InflateRaw;
			var InflRaw = new InflateRaw();
			var out = InflRaw._processChunk(payload.slice(payload.l), InflRaw._finishFlushFlag);
			payload.l += InflRaw.bytesRead;
			return out;
		}

		function _deflateRawSync(payload) {
			return _zlib ? _zlib.deflateRawSync(payload) : _deflate(payload);
		}
		var CLEN_ORDER = [16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15];

		/*  LEN_ID = [ 257, 258, 259, 260, 261, 262, 263, 264, 265, 266, 267, 268, 269, 270, 271, 272, 273, 274, 275, 276, 277, 278, 279, 280, 281, 282, 283, 284, 285 ]; */
		var LEN_LN = [3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 15, 17, 19, 23, 27, 31, 35, 43, 51, 59, 67, 83, 99, 115, 131, 163, 195, 227, 258];

		/*  DST_ID = [  0,  1,  2,  3,  4,  5,  6,  7,  8,  9, 10, 11, 12, 13,  14,  15,  16,  17,  18,  19,   20,   21,   22,   23,   24,   25,   26,    27,    28,    29 ]; */
		var DST_LN = [1, 2, 3, 4, 5, 7, 9, 13, 17, 25, 33, 49, 65, 97, 129, 193, 257, 385, 513, 769, 1025, 1537, 2049, 3073, 4097, 6145, 8193, 12289, 16385, 24577];

		function bit_swap_8(n) { var t = (((((n << 1) | (n << 11)) & 0x22110) | (((n << 5) | (n << 15)) & 0x88440))); return ((t >> 16) | (t >> 8) | t) & 0xFF; }

		var use_typed_arrays = typeof Uint8Array !== 'undefined';

		var bitswap8 = use_typed_arrays ? new Uint8Array(1 << 8) : [];
		for (var q = 0; q < (1 << 8); ++q) bitswap8[q] = bit_swap_8(q);

		function bit_swap_n(n, b) {
			var rev = bitswap8[n & 0xFF];
			if (b <= 8) return rev >>> (8 - b);
			rev = (rev << 8) | bitswap8[(n >> 8) & 0xFF];
			if (b <= 16) return rev >>> (16 - b);
			rev = (rev << 8) | bitswap8[(n >> 16) & 0xFF];
			return rev >>> (24 - b);
		}

		/* helpers for unaligned bit reads */
		function read_bits_2(buf, bl) { var w = (bl & 7), h = (bl >>> 3); return ((buf[h] | (w <= 6 ? 0 : buf[h + 1] << 8)) >>> w) & 0x03; }
		function read_bits_3(buf, bl) { var w = (bl & 7), h = (bl >>> 3); return ((buf[h] | (w <= 5 ? 0 : buf[h + 1] << 8)) >>> w) & 0x07; }
		function read_bits_4(buf, bl) { var w = (bl & 7), h = (bl >>> 3); return ((buf[h] | (w <= 4 ? 0 : buf[h + 1] << 8)) >>> w) & 0x0F; }
		function read_bits_5(buf, bl) { var w = (bl & 7), h = (bl >>> 3); return ((buf[h] | (w <= 3 ? 0 : buf[h + 1] << 8)) >>> w) & 0x1F; }
		function read_bits_7(buf, bl) { var w = (bl & 7), h = (bl >>> 3); return ((buf[h] | (w <= 1 ? 0 : buf[h + 1] << 8)) >>> w) & 0x7F; }

		/* works up to n = 3 * 8 + 1 = 25 */
		function read_bits_n(buf, bl, n) {
			var w = (bl & 7), h = (bl >>> 3), f = ((1 << n) - 1);
			var v = buf[h] >>> w;
			if (n < 8 - w) return v & f;
			v |= buf[h + 1] << (8 - w);
			if (n < 16 - w) return v & f;
			v |= buf[h + 2] << (16 - w);
			if (n < 24 - w) return v & f;
			v |= buf[h + 3] << (24 - w);
			return v & f;
		}

		/* until ArrayBuffer#realloc is a thing, fake a realloc */
		function realloc(b, sz) {
			var L = b.length, M = 2 * L > sz ? 2 * L : sz + 5, i = 0;
			if (L >= sz) return b;
			if (has_buf) {
				var o = new_unsafe_buf(M);
				// $FlowIgnore
				if (b.copy) b.copy(o);
				else for (; i < b.length; ++i) o[i] = b[i];
				return o;
			} else if (use_typed_arrays) {
				var a = new Uint8Array(M);
				if (a.set) a.set(b);
				else for (; i < b.length; ++i) a[i] = b[i];
				return a;
			}
			b.length = M;
			return b;
		}

		/* zero-filled arrays for older browsers */
		function zero_fill_array(n) {
			var o = new Array(n);
			for (var i = 0; i < n; ++i) o[i] = 0;
			return o;
		} var _deflate = (function () {
			var _deflateRaw = (function () {
				return function deflateRaw(data, out) {
					var boff = 0;
					while (boff < data.length) {
						var L = Math.min(0xFFFF, data.length - boff);
						var h = boff + L == data.length;
						/* TODO: this is only type 0 stored */
						out.write_shift(1, +h);
						out.write_shift(2, L);
						out.write_shift(2, (~L) & 0xFFFF);
						while (L-- > 0) out[out.l++] = data[boff++];
					}
					return out.l;
				};
			})();

			return function (data) {
				var buf = new_buf(50 + Math.floor(data.length * 1.1));
				var off = _deflateRaw(data, buf);
				return buf.slice(0, off);
			};
		})();
		/* modified inflate function also moves original read head */

		/* build tree (used for literals and lengths) */
		function build_tree(clens, cmap, MAX) {
			var maxlen = 1, w = 0, i = 0, j = 0, ccode = 0, L = clens.length;

			var bl_count = use_typed_arrays ? new Uint16Array(32) : zero_fill_array(32);
			for (i = 0; i < 32; ++i) bl_count[i] = 0;

			for (i = L; i < MAX; ++i) clens[i] = 0;
			L = clens.length;

			var ctree = use_typed_arrays ? new Uint16Array(L) : zero_fill_array(L); // []

			/* build code tree */
			for (i = 0; i < L; ++i) {
				bl_count[(w = clens[i])]++;
				if (maxlen < w) maxlen = w;
				ctree[i] = 0;
			}
			bl_count[0] = 0;
			for (i = 1; i <= maxlen; ++i) bl_count[i + 16] = (ccode = (ccode + bl_count[i - 1]) << 1);
			for (i = 0; i < L; ++i) {
				ccode = clens[i];
				if (ccode != 0) ctree[i] = bl_count[ccode + 16]++;
			}

			/* cmap[maxlen + 4 bits] = (off&15) + (lit<<4) reverse mapping */
			var cleni = 0;
			for (i = 0; i < L; ++i) {
				cleni = clens[i];
				if (cleni != 0) {
					ccode = bit_swap_n(ctree[i], maxlen) >> (maxlen - cleni);
					for (j = (1 << (maxlen + 4 - cleni)) - 1; j >= 0; --j)
						cmap[ccode | (j << cleni)] = (cleni & 15) | (i << 4);
				}
			}
			return maxlen;
		}

		var fix_lmap = use_typed_arrays ? new Uint16Array(512) : zero_fill_array(512);
		var fix_dmap = use_typed_arrays ? new Uint16Array(32) : zero_fill_array(32);
		if (!use_typed_arrays) {
			for (var i = 0; i < 512; ++i) fix_lmap[i] = 0;
			for (i = 0; i < 32; ++i) fix_dmap[i] = 0;
		}
		(function () {
			var dlens = [];
			var i = 0;
			for (; i < 32; i++) dlens.push(5);
			build_tree(dlens, fix_dmap, 32);

			var clens = [];
			i = 0;
			for (; i <= 143; i++) clens.push(8);
			for (; i <= 255; i++) clens.push(9);
			for (; i <= 279; i++) clens.push(7);
			for (; i <= 287; i++) clens.push(8);
			build_tree(clens, fix_lmap, 288);
		})();

		var dyn_lmap = use_typed_arrays ? new Uint16Array(32768) : zero_fill_array(32768);
		var dyn_dmap = use_typed_arrays ? new Uint16Array(32768) : zero_fill_array(32768);
		var dyn_cmap = use_typed_arrays ? new Uint16Array(128) : zero_fill_array(128);
		var dyn_len_1 = 1, dyn_len_2 = 1;

		/* 5.5.3 Expanding Huffman Codes */
		function dyn(data, boff) {
			/* nomenclature from RFC1951 refers to bit values; these are offset by the implicit constant */
			var _HLIT = read_bits_5(data, boff) + 257; boff += 5;
			var _HDIST = read_bits_5(data, boff) + 1; boff += 5;
			var _HCLEN = read_bits_4(data, boff) + 4; boff += 4;
			var w = 0;

			/* grab and store code lengths */
			var clens = use_typed_arrays ? new Uint8Array(19) : zero_fill_array(19);
			var ctree = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0];
			var maxlen = 1;
			var bl_count = use_typed_arrays ? new Uint8Array(8) : zero_fill_array(8);
			var next_code = use_typed_arrays ? new Uint8Array(8) : zero_fill_array(8);
			var L = clens.length; /* 19 */
			for (var i = 0; i < _HCLEN; ++i) {
				clens[CLEN_ORDER[i]] = w = read_bits_3(data, boff);
				if (maxlen < w) maxlen = w;
				bl_count[w]++;
				boff += 3;
			}

			/* build code tree */
			var ccode = 0;
			bl_count[0] = 0;
			for (i = 1; i <= maxlen; ++i) next_code[i] = ccode = (ccode + bl_count[i - 1]) << 1;
			for (i = 0; i < L; ++i) if ((ccode = clens[i]) != 0) ctree[i] = next_code[ccode]++;
			/* cmap[7 bits from stream] = (off&7) + (lit<<3) */
			var cleni = 0;
			for (i = 0; i < L; ++i) {
				cleni = clens[i];
				if (cleni != 0) {
					ccode = bitswap8[ctree[i]] >> (8 - cleni);
					for (var j = (1 << (7 - cleni)) - 1; j >= 0; --j) dyn_cmap[ccode | (j << cleni)] = (cleni & 7) | (i << 3);
				}
			}

			/* read literal and dist codes at once */
			var hcodes = [];
			maxlen = 1;
			for (; hcodes.length < _HLIT + _HDIST;) {
				ccode = dyn_cmap[read_bits_7(data, boff)];
				boff += ccode & 7;
				switch ((ccode >>>= 3)) {
					case 16:
						w = 3 + read_bits_2(data, boff); boff += 2;
						ccode = hcodes[hcodes.length - 1];
						while (w-- > 0) hcodes.push(ccode);
						break;
					case 17:
						w = 3 + read_bits_3(data, boff); boff += 3;
						while (w-- > 0) hcodes.push(0);
						break;
					case 18:
						w = 11 + read_bits_7(data, boff); boff += 7;
						while (w-- > 0) hcodes.push(0);
						break;
					default:
						hcodes.push(ccode);
						if (maxlen < ccode) maxlen = ccode;
						break;
				}
			}

			/* build literal / length trees */
			var h1 = hcodes.slice(0, _HLIT), h2 = hcodes.slice(_HLIT);
			for (i = _HLIT; i < 286; ++i) h1[i] = 0;
			for (i = _HDIST; i < 30; ++i) h2[i] = 0;
			dyn_len_1 = build_tree(h1, dyn_lmap, 286);
			dyn_len_2 = build_tree(h2, dyn_dmap, 30);
			return boff;
		}

		/* return [ data, bytesRead ] */
		function inflate(data, usz) {
			/* shortcircuit for empty buffer [0x03, 0x00] */
			if (data[0] == 3 && !(data[1] & 0x3)) { return [new_raw_buf(usz), 2]; }

			/* bit offset */
			var boff = 0;

			/* header includes final bit and type bits */
			var header = 0;

			var outbuf = new_unsafe_buf(usz ? usz : (1 << 18));
			var woff = 0;
			var OL = outbuf.length >>> 0;
			var max_len_1 = 0, max_len_2 = 0;

			while ((header & 1) == 0) {
				header = read_bits_3(data, boff); boff += 3;
				if ((header >>> 1) == 0) {
					/* Stored block */
					if (boff & 7) boff += 8 - (boff & 7);
					/* 2 bytes sz, 2 bytes bit inverse */
					var sz = data[boff >>> 3] | data[(boff >>> 3) + 1] << 8;
					boff += 32;
					/* push sz bytes */
					if (!usz && OL < woff + sz) { outbuf = realloc(outbuf, woff + sz); OL = outbuf.length; }
					if (typeof data.copy === 'function') {
						// $FlowIgnore
						data.copy(outbuf, woff, boff >>> 3, (boff >>> 3) + sz);
						woff += sz; boff += 8 * sz;
					} else while (sz-- > 0) { outbuf[woff++] = data[boff >>> 3]; boff += 8; }
					continue;
				} else if ((header >>> 1) == 1) {
					/* Fixed Huffman */
					max_len_1 = 9; max_len_2 = 5;
				} else {
					/* Dynamic Huffman */
					boff = dyn(data, boff);
					max_len_1 = dyn_len_1; max_len_2 = dyn_len_2;
				}
				if (!usz && (OL < woff + 32767)) { outbuf = realloc(outbuf, woff + 32767); OL = outbuf.length; }
				for (; ;) { // while(true) is apparently out of vogue in modern JS circles
					/* ingest code and move read head */
					var bits = read_bits_n(data, boff, max_len_1);
					var code = (header >>> 1) == 1 ? fix_lmap[bits] : dyn_lmap[bits];
					boff += code & 15; code >>>= 4;
					/* 0-255 are literals, 256 is end of block token, 257+ are copy tokens */
					if (((code >>> 8) & 0xFF) === 0) outbuf[woff++] = code;
					else if (code == 256) break;
					else {
						code -= 257;
						var len_eb = (code < 8) ? 0 : ((code - 4) >> 2); if (len_eb > 5) len_eb = 0;
						var tgt = woff + LEN_LN[code];
						/* length extra bits */
						if (len_eb > 0) {
							tgt += read_bits_n(data, boff, len_eb);
							boff += len_eb;
						}

						/* dist code */
						bits = read_bits_n(data, boff, max_len_2);
						code = (header >>> 1) == 1 ? fix_dmap[bits] : dyn_dmap[bits];
						boff += code & 15; code >>>= 4;
						var dst_eb = (code < 4 ? 0 : (code - 2) >> 1);
						var dst = DST_LN[code];
						/* dist extra bits */
						if (dst_eb > 0) {
							dst += read_bits_n(data, boff, dst_eb);
							boff += dst_eb;
						}

						/* in the common case, manual byte copy is faster than TA set / Buffer copy */
						if (!usz && OL < tgt) { outbuf = realloc(outbuf, tgt); OL = outbuf.length; }
						while (woff < tgt) { outbuf[woff] = outbuf[woff - dst]; ++woff; }
					}
				}
			}
			return [usz ? outbuf : outbuf.slice(0, woff), (boff + 7) >>> 3];
		}

		function _inflate(payload, usz) {
			var data = payload.slice(payload.l || 0);
			var out = inflate(data, usz);
			payload.l += out[1];
			return out[0];
		}

		function warn_or_throw(wrn, msg) {
			if (wrn) { if (typeof console !== 'undefined') console.error(msg); }
			else throw new Error(msg);
		}

		function parse_zip(file, options) {
			var blob = file;
			prep_blob(blob, 0);

			var FileIndex = [], FullPaths = [];
			var o = {
				FileIndex: FileIndex,
				FullPaths: FullPaths
			};
			init_cfb(o, { root: options.root });

			/* find end of central directory, start just after signature */
			var i = blob.length - 4;
			while ((blob[i] != 0x50 || blob[i + 1] != 0x4b || blob[i + 2] != 0x05 || blob[i + 3] != 0x06) && i >= 0) --i;
			blob.l = i + 4;

			/* parse end of central directory */
			blob.l += 4;
			var fcnt = blob.read_shift(2);
			blob.l += 6;
			var start_cd = blob.read_shift(4);

			/* parse central directory */
			blob.l = start_cd;

			for (i = 0; i < fcnt; ++i) {
				/* trust local file header instead of CD entry */
				blob.l += 20;
				var csz = blob.read_shift(4);
				var usz = blob.read_shift(4);
				var namelen = blob.read_shift(2);
				var efsz = blob.read_shift(2);
				var fcsz = blob.read_shift(2);
				blob.l += 8;
				var offset = blob.read_shift(4);
				var EF = parse_extra_field(blob.slice(blob.l + namelen, blob.l + namelen + efsz));
				blob.l += namelen + efsz + fcsz;

				var L = blob.l;
				blob.l = offset + 4;
				parse_local_file(blob, csz, usz, o, EF);
				blob.l = L;
			}

			return o;
		}


		/* head starts just after local file header signature */
		function parse_local_file(blob, csz, usz, o, EF) {
			/* [local file header] */
			blob.l += 2;
			var flags = blob.read_shift(2);
			var meth = blob.read_shift(2);
			var date = parse_dos_date(blob);

			if (flags & 0x2041) throw new Error("Unsupported ZIP encryption");
			var crc32 = blob.read_shift(4);
			var _csz = blob.read_shift(4);
			var _usz = blob.read_shift(4);

			var namelen = blob.read_shift(2);
			var efsz = blob.read_shift(2);

			// TODO: flags & (1<<11) // UTF8
			var name = ""; for (var i = 0; i < namelen; ++i) name += String.fromCharCode(blob[blob.l++]);
			if (efsz) {
				var ef = parse_extra_field(blob.slice(blob.l, blob.l + efsz));
				if ((ef[0x5455] || {}).mt) date = ef[0x5455].mt;
				if (((EF || {})[0x5455] || {}).mt) date = EF[0x5455].mt;
			}
			blob.l += efsz;

			/* [encryption header] */

			/* [file data] */
			var data = blob.slice(blob.l, blob.l + _csz);
			switch (meth) {
				case 8: data = _inflateRawSync(blob, _usz); break;
				case 0: break;
				default: throw new Error("Unsupported ZIP Compression method " + meth);
			}

			/* [data descriptor] */
			var wrn = false;
			if (flags & 8) {
				crc32 = blob.read_shift(4);
				if (crc32 == 0x08074b50) { crc32 = blob.read_shift(4); wrn = true; }
				_csz = blob.read_shift(4);
				_usz = blob.read_shift(4);
			}

			if (_csz != csz) warn_or_throw(wrn, "Bad compressed size: " + csz + " != " + _csz);
			if (_usz != usz) warn_or_throw(wrn, "Bad uncompressed size: " + usz + " != " + _usz);
			var _crc32 = CRC32.buf(data, 0);
			if ((crc32 >> 0) != (_crc32 >> 0)) warn_or_throw(wrn, "Bad CRC32 checksum: " + crc32 + " != " + _crc32);
			cfb_add(o, name, data, { unsafe: true, mt: date });
		}
		function write_zip(cfb, options) {
			var _opts = options || {};
			var out = [], cdirs = [];
			var o = new_buf(1);
			var method = (_opts.compression ? 8 : 0), flags = 0;
			var desc = false;
			if (desc) flags |= 8;
			var i = 0, j = 0;

			var start_cd = 0, fcnt = 0;
			var root = cfb.FullPaths[0], fp = root, fi = cfb.FileIndex[0];
			var crcs = [];
			var sz_cd = 0;

			for (i = 1; i < cfb.FullPaths.length; ++i) {
				fp = cfb.FullPaths[i].slice(root.length); fi = cfb.FileIndex[i];
				if (!fi.size || !fi.content || fp == "\u0001Sh33tJ5") continue;
				var start = start_cd;

				/* TODO: CP437 filename */
				var namebuf = new_buf(fp.length);
				for (j = 0; j < fp.length; ++j) namebuf.write_shift(1, fp.charCodeAt(j) & 0x7F);
				namebuf = namebuf.slice(0, namebuf.l);
				crcs[fcnt] = CRC32.buf(fi.content, 0);

				var outbuf = fi.content;
				if (method == 8) outbuf = _deflateRawSync(outbuf);

				/* local file header */
				o = new_buf(30);
				o.write_shift(4, 0x04034b50);
				o.write_shift(2, 20);
				o.write_shift(2, flags);
				o.write_shift(2, method);
				/* TODO: last mod file time/date */
				if (fi.mt) write_dos_date(o, fi.mt);
				else o.write_shift(4, 0);
				o.write_shift(-4, (flags & 8) ? 0 : crcs[fcnt]);
				o.write_shift(4, (flags & 8) ? 0 : outbuf.length);
				o.write_shift(4, (flags & 8) ? 0 : fi.content.length);
				o.write_shift(2, namebuf.length);
				o.write_shift(2, 0);

				start_cd += o.length;
				out.push(o);
				start_cd += namebuf.length;
				out.push(namebuf);

				/* TODO: encryption header ? */
				start_cd += outbuf.length;
				out.push(outbuf);

				/* data descriptor */
				if (flags & 8) {
					o = new_buf(12);
					o.write_shift(-4, crcs[fcnt]);
					o.write_shift(4, outbuf.length);
					o.write_shift(4, fi.content.length);
					start_cd += o.l;
					out.push(o);
				}

				/* central directory */
				o = new_buf(46);
				o.write_shift(4, 0x02014b50);
				o.write_shift(2, 0);
				o.write_shift(2, 20);
				o.write_shift(2, flags);
				o.write_shift(2, method);
				o.write_shift(4, 0); /* TODO: last mod file time/date */
				o.write_shift(-4, crcs[fcnt]);

				o.write_shift(4, outbuf.length);
				o.write_shift(4, fi.content.length);
				o.write_shift(2, namebuf.length);
				o.write_shift(2, 0);
				o.write_shift(2, 0);
				o.write_shift(2, 0);
				o.write_shift(2, 0);
				o.write_shift(4, 0);
				o.write_shift(4, start);

				sz_cd += o.l;
				cdirs.push(o);
				sz_cd += namebuf.length;
				cdirs.push(namebuf);
				++fcnt;
			}

			/* end of central directory */
			o = new_buf(22);
			o.write_shift(4, 0x06054b50);
			o.write_shift(2, 0);
			o.write_shift(2, 0);
			o.write_shift(2, fcnt);
			o.write_shift(2, fcnt);
			o.write_shift(4, sz_cd);
			o.write_shift(4, start_cd);
			o.write_shift(2, 0);

			return bconcat(([bconcat((out)), bconcat(cdirs), o]));
		}
		function cfb_new(opts) {
			var o = ({});
			init_cfb(o, opts);
			return o;
		}

		function cfb_add(cfb, name, content, opts) {
			var unsafe = opts && opts.unsafe;
			if (!unsafe) init_cfb(cfb);
			var file = !unsafe && CFB.find(cfb, name);
			if (!file) {
				var fpath = cfb.FullPaths[0];
				if (name.slice(0, fpath.length) == fpath) fpath = name;
				else {
					if (fpath.slice(-1) != "/") fpath += "/";
					fpath = (fpath + name).replace("//", "/");
				}
				file = ({ name: filename(name), type: 2 });
				cfb.FileIndex.push(file);
				cfb.FullPaths.push(fpath);
				if (!unsafe) CFB.utils.cfb_gc(cfb);
			}
			file.content = (content);
			file.size = content ? content.length : 0;
			if (opts) {
				if (opts.CLSID) file.clsid = opts.CLSID;
				if (opts.mt) file.mt = opts.mt;
				if (opts.ct) file.ct = opts.ct;
			}
			return file;
		}

		function cfb_del(cfb, name) {
			init_cfb(cfb);
			var file = CFB.find(cfb, name);
			if (file) for (var j = 0; j < cfb.FileIndex.length; ++j) if (cfb.FileIndex[j] == file) {
				cfb.FileIndex.splice(j, 1);
				cfb.FullPaths.splice(j, 1);
				return true;
			}
			return false;
		}

		function cfb_mov(cfb, old_name, new_name) {
			init_cfb(cfb);
			var file = CFB.find(cfb, old_name);
			if (file) for (var j = 0; j < cfb.FileIndex.length; ++j) if (cfb.FileIndex[j] == file) {
				cfb.FileIndex[j].name = filename(new_name);
				cfb.FullPaths[j] = new_name;
				return true;
			}
			return false;
		}

		function cfb_gc(cfb) { rebuild_cfb(cfb, true); }

		exports.find = find;
		exports.read = read;
		exports.parse = parse;
		exports.write = write;
		exports.writeFile = write_file;
		exports.utils = {
			cfb_new: cfb_new,
			cfb_add: cfb_add,
			cfb_del: cfb_del,
			cfb_mov: cfb_mov,
			cfb_gc: cfb_gc,
			ReadShift: ReadShift,
			CheckField: CheckField,
			prep_blob: prep_blob,
			bconcat: bconcat,
			use_zlib: use_zlib,
			_deflateRaw: _deflate,
			_inflateRaw: _inflate,
			consts: consts
		};

		return exports;
	})();

	if (typeof require !== 'undefined' && typeof module !== 'undefined' && typeof DO_NOT_EXPORT_CFB === 'undefined') { module.exports = CFB; }
	var _fs;
	if (typeof require !== 'undefined') try { _fs = require('fs'); } catch (e) { }

	/* normalize data for blob ctor */
	function blobify(data) {
		if (typeof data === "string") return s2ab(data);
		if (Array.isArray(data)) return a2u(data);
		return data;
	}
	/* write or download file */
	function write_dl(fname, payload, enc) {
		/*global IE_SaveFile, Blob, navigator, saveAs, URL, document, File, chrome */
		if (typeof _fs !== 'undefined' && _fs.writeFileSync) return enc ? _fs.writeFileSync(fname, payload, enc) : _fs.writeFileSync(fname, payload);
		var data = (enc == "utf8") ? utf8write(payload) : payload;
		if (typeof IE_SaveFile !== 'undefined') return IE_SaveFile(data, fname);
		if (typeof Blob !== 'undefined') {
			var blob = new Blob([blobify(data)], { type: "application/octet-stream" });
			if (typeof navigator !== 'undefined' && navigator.msSaveBlob) return navigator.msSaveBlob(blob, fname);
			if (typeof saveAs !== 'undefined') return saveAs(blob, fname);
			if (typeof URL !== 'undefined' && typeof document !== 'undefined' && document.createElement && URL.createObjectURL) {
				var url = URL.createObjectURL(blob);
				if (typeof chrome === 'object' && typeof (chrome.downloads || {}).download == "function") {
					if (URL.revokeObjectURL && typeof setTimeout !== 'undefined') setTimeout(function () { URL.revokeObjectURL(url); }, 60000);
					return chrome.downloads.download({ url: url, filename: fname, saveAs: true });
				}
				var a = document.createElement("a");
				if (a.download != null) {
					a.download = fname; a.href = url; document.body.appendChild(a); a.click();
					document.body.removeChild(a);
					if (URL.revokeObjectURL && typeof setTimeout !== 'undefined') setTimeout(function () { URL.revokeObjectURL(url); }, 60000);
					return url;
				}
			}
		}
		// $FlowIgnore
		if (typeof $ !== 'undefined' && typeof File !== 'undefined' && typeof Folder !== 'undefined') try { // extendscript
			// $FlowIgnore
			var out = File(fname); out.open("w"); out.encoding = "binary";
			if (Array.isArray(payload)) payload = a2s(payload);
			out.write(payload); out.close(); return payload;
		} catch (e) { if (!e.message || !e.message.match(/onstruct/)) throw e; }
		throw new Error("cannot save file " + fname);
	}

	/* read binary data from file */
	function read_binary(path) {
		if (typeof _fs !== 'undefined') return _fs.readFileSync(path);
		// $FlowIgnore
		if (typeof $ !== 'undefined' && typeof File !== 'undefined' && typeof Folder !== 'undefined') try { // extendscript
			// $FlowIgnore
			var infile = File(path); infile.open("r"); infile.encoding = "binary";
			var data = infile.read(); infile.close();
			return data;
		} catch (e) { if (!e.message || !e.message.match(/onstruct/)) throw e; }
		throw new Error("Cannot access file " + path);
	}
	function keys(o) {
		var ks = Object.keys(o), o2 = [];
		for (var i = 0; i < ks.length; ++i) if (o.hasOwnProperty(ks[i])) o2.push(ks[i]);
		return o2;
	}

	function evert_key(obj, key) {
		var o = ([]), K = keys(obj);
		for (var i = 0; i !== K.length; ++i) if (o[obj[K[i]][key]] == null) o[obj[K[i]][key]] = K[i];
		return o;
	}

	function evert(obj) {
		var o = ([]), K = keys(obj);
		for (var i = 0; i !== K.length; ++i) o[obj[K[i]]] = K[i];
		return o;
	}

	function evert_num(obj) {
		var o = ([]), K = keys(obj);
		for (var i = 0; i !== K.length; ++i) o[obj[K[i]]] = parseInt(K[i], 10);
		return o;
	}

	function evert_arr(obj) {
		var o = ([]), K = keys(obj);
		for (var i = 0; i !== K.length; ++i) {
			if (o[obj[K[i]]] == null) o[obj[K[i]]] = [];
			o[obj[K[i]]].push(K[i]);
		}
		return o;
	}

	var basedate = new Date(1899, 11, 30, 0, 0, 0); // 2209161600000
	var dnthresh = basedate.getTime() + (new Date().getTimezoneOffset() - basedate.getTimezoneOffset()) * 60000;
	function datenum(v, date1904) {
		var epoch = v.getTime();
		if (date1904) epoch -= 1462 * 24 * 60 * 60 * 1000;
		return (epoch - dnthresh) / (24 * 60 * 60 * 1000);
	}
	function numdate(v) {
		var out = new Date();
		out.setTime(v * 24 * 60 * 60 * 1000 + dnthresh);
		return out;
	}

	/* ISO 8601 Duration */
	function parse_isodur(s) {
		var sec = 0, mt = 0, time = false;
		var m = s.match(/P([0-9\.]+Y)?([0-9\.]+M)?([0-9\.]+D)?T([0-9\.]+H)?([0-9\.]+M)?([0-9\.]+S)?/);
		if (!m) throw new Error("|" + s + "| is not an ISO8601 Duration");
		for (var i = 1; i != m.length; ++i) {
			if (!m[i]) continue;
			mt = 1;
			if (i > 3) time = true;
			switch (m[i].slice(m[i].length - 1)) {
				case 'Y':
					throw new Error("Unsupported ISO Duration Field: " + m[i].slice(m[i].length - 1));
				case 'D': mt *= 24;
				/* falls through */
				case 'H': mt *= 60;
				/* falls through */
				case 'M':
					if (!time) throw new Error("Unsupported ISO Duration Field: M");
					else mt *= 60;
				/* falls through */
				case 'S': break;
			}
			sec += mt * parseInt(m[i], 10);
		}
		return sec;
	}

	var good_pd_date = new Date('2017-02-19T19:06:09.000Z');
	if (isNaN(good_pd_date.getFullYear())) good_pd_date = new Date('2/19/17');
	var good_pd = good_pd_date.getFullYear() == 2017;
	/* parses a date as a local date */
	function parseDate(str, fixdate) {
		var d = new Date(str);
		if (good_pd) {
			if (fixdate > 0) d.setTime(d.getTime() + d.getTimezoneOffset() * 60 * 1000);
			else if (fixdate < 0) d.setTime(d.getTime() - d.getTimezoneOffset() * 60 * 1000);
			return d;
		}
		if (str instanceof Date) return str;
		if (good_pd_date.getFullYear() == 1917 && !isNaN(d.getFullYear())) {
			var s = d.getFullYear();
			if (str.indexOf("" + s) > -1) return d;
			d.setFullYear(d.getFullYear() + 100); return d;
		}
		var n = str.match(/\d+/g) || ["2017", "2", "19", "0", "0", "0"];
		var out = new Date(+n[0], +n[1] - 1, +n[2], (+n[3] || 0), (+n[4] || 0), (+n[5] || 0));
		if (str.indexOf("Z") > -1) out = new Date(out.getTime() - out.getTimezoneOffset() * 60 * 1000);
		return out;
	}

	function cc2str(arr) {
		var o = "";
		for (var i = 0; i != arr.length; ++i) o += String.fromCharCode(arr[i]);
		return o;
	}

	function dup(o) {
		if (typeof JSON != 'undefined' && !Array.isArray(o)) return JSON.parse(JSON.stringify(o));
		if (typeof o != 'object' || o == null) return o;
		if (o instanceof Date) return new Date(o.getTime());
		var out = {};
		for (var k in o) if (o.hasOwnProperty(k)) out[k] = dup(o[k]);
		return out;
	}

	function fill(c, l) { var o = ""; while (o.length < l) o += c; return o; }

	/* TODO: stress test */
	function fuzzynum(s) {
		var v = Number(s);
		if (!isNaN(v)) return v;
		var wt = 1;
		var ss = s.replace(/([\d]),([\d])/g, "$1$2").replace(/[$]/g, "").replace(/[%]/g, function () { wt *= 100; return ""; });
		if (!isNaN(v = Number(ss))) return v / wt;
		ss = ss.replace(/[(](.*)[)]/, function ($$, $1) { wt = -wt; return $1; });
		if (!isNaN(v = Number(ss))) return v / wt;
		return v;
	}
	function fuzzydate(s) {
		var o = new Date(s), n = new Date(NaN);
		var y = o.getYear(), m = o.getMonth(), d = o.getDate();
		if (isNaN(d)) return n;
		if (y < 0 || y > 8099) return n;
		if ((m > 0 || d > 1) && y != 101) return o;
		if (s.toLowerCase().match(/jan|feb|mar|apr|may|jun|jul|aug|sep|oct|nov|dec/)) return o;
		if (s.match(/[^-0-9:,\/\\]/)) return n;
		return o;
	}

	var safe_split_regex = "abacaba".split(/(:?b)/i).length == 5;
	function split_regex(str, re, def) {
		if (safe_split_regex || typeof re == "string") return str.split(re);
		var p = str.split(re), o = [p[0]];
		for (var i = 1; i < p.length; ++i) { o.push(def); o.push(p[i]); }
		return o;
	}
	function getdatastr(data) {
		if (!data) return null;
		if (data.data) return debom(data.data);
		if (data.asNodeBuffer && has_buf) return debom(data.asNodeBuffer().toString('binary'));
		if (data.asBinary) return debom(data.asBinary());
		if (data._data && data._data.getContent) return debom(cc2str(Array.prototype.slice.call(data._data.getContent(), 0)));
		if (data.content && data.type) return debom(cc2str(data.content));
		return null;
	}

	function getdatabin(data) {
		if (!data) return null;
		if (data.data) return char_codes(data.data);
		if (data.asNodeBuffer && has_buf) return data.asNodeBuffer();
		if (data._data && data._data.getContent) {
			var o = data._data.getContent();
			if (typeof o == "string") return char_codes(o);
			return Array.prototype.slice.call(o);
		}
		if (data.content && data.type) return data.content;
		return null;
	}

	function getdata(data) { return (data && data.name.slice(-4) === ".bin") ? getdatabin(data) : getdatastr(data); }

	/* Part 2 Section 10.1.2 "Mapping Content Types" Names are case-insensitive */
	/* OASIS does not comment on filename case sensitivity */
	function safegetzipfile(zip, file) {
		var k = zip.FullPaths || keys(zip.files);
		var f = file.toLowerCase(), g = f.replace(/\//g, '\\');
		for (var i = 0; i < k.length; ++i) {
			var n = k[i].toLowerCase();
			if (f == n || g == n) return zip.files[k[i]];
		}
		return null;
	}

	function getzipfile(zip, file) {
		var o = safegetzipfile(zip, file);
		if (o == null) throw new Error("Cannot find file " + file + " in zip");
		return o;
	}

	function getzipdata(zip, file, safe) {
		if (!safe) return getdata(getzipfile(zip, file));
		if (!file) return null;
		try { return getzipdata(zip, file); } catch (e) { return null; }
	}

	function getzipstr(zip, file, safe) {
		if (!safe) return getdatastr(getzipfile(zip, file));
		if (!file) return null;
		try { return getzipstr(zip, file); } catch (e) { return null; }
	}

	function zipentries(zip) {
		var k = zip.FullPaths || keys(zip.files), o = [];
		for (var i = 0; i < k.length; ++i) if (k[i].slice(-1) != '/') o.push(k[i]);
		return o.sort();
	}

	function zip_add_file(zip, path, content) {
		if (zip.FullPaths) CFB.utils.cfb_add(zip, path, content);
		else zip.file(path, content);
	}

	var jszip;
	/*global JSZipSync:true */
	if (typeof JSZipSync !== 'undefined') jszip = JSZipSync;
	if (typeof exports !== 'undefined') {
		if (typeof module !== 'undefined' && module.exports) {
			if (typeof jszip === 'undefined') jszip = undefined;
		}
	}

	function zip_new() {
		if (!jszip) return CFB.utils.cfb_new();
		return new jszip();
	}

	function zip_read(d, o) {
		var zip;
		if (jszip) switch (o.type) {
			case "base64": zip = new jszip(d, { base64: true }); break;
			case "binary": case "array": zip = new jszip(d, { base64: false }); break;
			case "buffer": zip = new jszip(d); break;
			default: throw new Error("Unrecognized type " + o.type);
		}
		else switch (o.type) {
			case "base64": zip = CFB.read(d, { type: "base64" }); break;
			case "binary": zip = CFB.read(d, { type: "binary" }); break;
			case "buffer": case "array": zip = CFB.read(d, { type: "buffer" }); break;
			default: throw new Error("Unrecognized type " + o.type);
		}
		return zip;
	}

	function resolve_path(path, base) {
		if (path.charAt(0) == "/") return path.slice(1);
		var result = base.split('/');
		if (base.slice(-1) != "/") result.pop(); // folder path
		var target = path.split('/');
		while (target.length !== 0) {
			var step = target.shift();
			if (step === '..') result.pop();
			else if (step !== '.') result.push(step);
		}
		return result.join('/');
	}
	var XML_HEADER = '<?xml version="1.0" encoding="UTF-8" standalone="yes"?>\r\n';
	var attregexg = /([^"\s?>\/]+)\s*=\s*((?:")([^"]*)(?:")|(?:')([^']*)(?:')|([^'">\s]+))/g;
	var tagregex = /<[\/\?]?[a-zA-Z0-9:_-]+(?:\s+[^"\s?>\/]+\s*=\s*(?:"[^"]*"|'[^']*'|[^'">\s=]+))*\s?[\/\?]?>/g;

	if (!(XML_HEADER.match(tagregex))) tagregex = /<[^>]*>/g;
	var nsregex = /<\w*:/, nsregex2 = /<(\/?)\w+:/;
	function parsexmltag(tag, skip_root, skip_LC) {
		var z = ({});
		var eq = 0, c = 0;
		for (; eq !== tag.length; ++eq) if ((c = tag.charCodeAt(eq)) === 32 || c === 10 || c === 13) break;
		if (!skip_root) z[0] = tag.slice(0, eq);
		if (eq === tag.length) return z;
		var m = tag.match(attregexg), j = 0, v = "", i = 0, q = "", cc = "", quot = 1;
		if (m) for (i = 0; i != m.length; ++i) {
			cc = m[i];
			for (c = 0; c != cc.length; ++c) if (cc.charCodeAt(c) === 61) break;
			q = cc.slice(0, c).trim();
			while (cc.charCodeAt(c + 1) == 32) ++c;
			quot = ((eq = cc.charCodeAt(c + 1)) == 34 || eq == 39) ? 1 : 0;
			v = cc.slice(c + 1 + quot, cc.length - quot);
			for (j = 0; j != q.length; ++j) if (q.charCodeAt(j) === 58) break;
			if (j === q.length) {
				if (q.indexOf("_") > 0) q = q.slice(0, q.indexOf("_")); // from ods
				z[q] = v;
				if (!skip_LC) z[q.toLowerCase()] = v;
			}
			else {
				var k = (j === 5 && q.slice(0, 5) === "xmlns" ? "xmlns" : "") + q.slice(j + 1);
				if (z[k] && q.slice(j - 3, j) == "ext") continue; // from ods
				z[k] = v;
				if (!skip_LC) z[k.toLowerCase()] = v;
			}
		}
		return z;
	}
	function strip_ns(x) { return x.replace(nsregex2, "<$1"); }

	var encodings = {
		'&quot;': '"',
		'&apos;': "'",
		'&gt;': '>',
		'&lt;': '<',
		'&amp;': '&'
	};
	var rencoding = evert(encodings);
	//var rencstr = "&<>'\"".split("");

	// TODO: CP remap (need to read file version to determine OS)
	var unescapexml = (function () {
		/* 22.4.2.4 bstr (Basic String) */
		var encregex = /&(?:quot|apos|gt|lt|amp|#x?([\da-fA-F]+));/g, coderegex = /_x([\da-fA-F]{4})_/g;
		return function unescapexml(text) {
			var s = text + '', i = s.indexOf("<![CDATA[");
			if (i == -1) return s.replace(encregex, function ($$, $1) { return encodings[$$] || String.fromCharCode(parseInt($1, $$.indexOf("x") > -1 ? 16 : 10)) || $$; }).replace(coderegex, function (m, c) { return String.fromCharCode(parseInt(c, 16)); });
			var j = s.indexOf("]]>");
			return unescapexml(s.slice(0, i)) + s.slice(i + 9, j) + unescapexml(s.slice(j + 3));
		};
	})();

	var decregex = /[&<>'"]/g, charegex = /[\u0000-\u0008\u000b-\u001f]/g;
	function escapexml(text) {
		var s = text + '';
		return s.replace(decregex, function (y) { return rencoding[y]; }).replace(charegex, function (s) { return "_x" + ("000" + s.charCodeAt(0).toString(16)).slice(-4) + "_"; });
	}
	function escapexmltag(text) { return escapexml(text).replace(/ /g, "_x0020_"); }

	var htmlcharegex = /[\u0000-\u001f]/g;
	function escapehtml(text) {
		var s = text + '';
		return s.replace(decregex, function (y) { return rencoding[y]; }).replace(/\n/g, "<br/>").replace(htmlcharegex, function (s) { return "&#x" + ("000" + s.charCodeAt(0).toString(16)).slice(-4) + ";"; });
	}

	function escapexlml(text) {
		var s = text + '';
		return s.replace(decregex, function (y) { return rencoding[y]; }).replace(htmlcharegex, function (s) { return "&#x" + (s.charCodeAt(0).toString(16)).toUpperCase() + ";"; });
	}

	/* TODO: handle codepages */
	var xlml_fixstr = (function () {
		var entregex = /&#(\d+);/g;
		function entrepl($$, $1) { return String.fromCharCode(parseInt($1, 10)); }
		return function xlml_fixstr(str) { return str.replace(entregex, entrepl); };
	})();
	var xlml_unfixstr = (function () {
		return function xlml_unfixstr(str) { return str.replace(/(\r\n|[\r\n])/g, "\&#10;"); };
	})();

	function parsexmlbool(value) {
		switch (value) {
			case 1: case true: case '1': case 'true': case 'TRUE': return true;
			/* case '0': case 'false': case 'FALSE':*/
			default: return false;
		}
	}

	var utf8read = function utf8reada(orig) {
		var out = "", i = 0, c = 0, d = 0, e = 0, f = 0, w = 0;
		while (i < orig.length) {
			c = orig.charCodeAt(i++);
			if (c < 128) { out += String.fromCharCode(c); continue; }
			d = orig.charCodeAt(i++);
			if (c > 191 && c < 224) { f = ((c & 31) << 6); f |= (d & 63); out += String.fromCharCode(f); continue; }
			e = orig.charCodeAt(i++);
			if (c < 240) { out += String.fromCharCode(((c & 15) << 12) | ((d & 63) << 6) | (e & 63)); continue; }
			f = orig.charCodeAt(i++);
			w = (((c & 7) << 18) | ((d & 63) << 12) | ((e & 63) << 6) | (f & 63)) - 65536;
			out += String.fromCharCode(0xD800 + ((w >>> 10) & 1023));
			out += String.fromCharCode(0xDC00 + (w & 1023));
		}
		return out;
	};

	var utf8write = function (orig) {
		var out = [], i = 0, c = 0, d = 0;
		while (i < orig.length) {
			c = orig.charCodeAt(i++);
			switch (true) {
				case c < 128: out.push(String.fromCharCode(c)); break;
				case c < 2048:
					out.push(String.fromCharCode(192 + (c >> 6)));
					out.push(String.fromCharCode(128 + (c & 63)));
					break;
				case c >= 55296 && c < 57344:
					c -= 55296; d = orig.charCodeAt(i++) - 56320 + (c << 10);
					out.push(String.fromCharCode(240 + ((d >> 18) & 7)));
					out.push(String.fromCharCode(144 + ((d >> 12) & 63)));
					out.push(String.fromCharCode(128 + ((d >> 6) & 63)));
					out.push(String.fromCharCode(128 + (d & 63)));
					break;
				default:
					out.push(String.fromCharCode(224 + (c >> 12)));
					out.push(String.fromCharCode(128 + ((c >> 6) & 63)));
					out.push(String.fromCharCode(128 + (c & 63)));
			}
		}
		return out.join("");
	};

	if (has_buf) {
		var utf8readb = function utf8readb(data) {
			var out = Buffer.alloc(2 * data.length), w, i, j = 1, k = 0, ww = 0, c;
			for (i = 0; i < data.length; i += j) {
				j = 1;
				if ((c = data.charCodeAt(i)) < 128) w = c;
				else if (c < 224) { w = (c & 31) * 64 + (data.charCodeAt(i + 1) & 63); j = 2; }
				else if (c < 240) { w = (c & 15) * 4096 + (data.charCodeAt(i + 1) & 63) * 64 + (data.charCodeAt(i + 2) & 63); j = 3; }
				else {
					j = 4;
					w = (c & 7) * 262144 + (data.charCodeAt(i + 1) & 63) * 4096 + (data.charCodeAt(i + 2) & 63) * 64 + (data.charCodeAt(i + 3) & 63);
					w -= 65536; ww = 0xD800 + ((w >>> 10) & 1023); w = 0xDC00 + (w & 1023);
				}
				if (ww !== 0) { out[k++] = ww & 255; out[k++] = ww >>> 8; ww = 0; }
				out[k++] = w % 256; out[k++] = w >>> 8;
			}
			return out.slice(0, k).toString('ucs2');
		};
		var corpus = "foo bar baz\u00e2\u0098\u0083\u00f0\u009f\u008d\u00a3";
		if (utf8read(corpus) == utf8readb(corpus)) utf8read = utf8readb;
		var utf8readc = function utf8readc(data) { return Buffer_from(data, 'binary').toString('utf8'); };
		if (utf8read(corpus) == utf8readc(corpus)) utf8read = utf8readc;

		utf8write = function (data) { return Buffer_from(data, 'utf8').toString("binary"); };
	}

	// matches <foo>...</foo> extracts content
	var matchtag = (function () {
		var mtcache = ({});
		return function matchtag(f, g) {
			var t = f + "|" + (g || "");
			if (mtcache[t]) return mtcache[t];
			return (mtcache[t] = new RegExp('<(?:\\w+:)?' + f + '(?: xml:space="preserve")?(?:[^>]*)>([\\s\\S]*?)</(?:\\w+:)?' + f + '>', ((g || ""))));
		};
	})();

	var htmldecode = (function () {
		var entities = [
			['nbsp', ' '], ['middot', '·'],
			['quot', '"'], ['apos', "'"], ['gt', '>'], ['lt', '<'], ['amp', '&']
		].map(function (x) { return [new RegExp('&' + x[0] + ';', "g"), x[1]]; });
		return function htmldecode(str) {
			var o = str
				// Remove new lines and spaces from start of content
				.replace(/^[\t\n\r ]+/, "")
				// Remove new lines and spaces from end of content
				.replace(/[\t\n\r ]+$/, "")
				// Added line which removes any white space characters after and before html tags
				.replace(/>\s+/g, ">").replace(/\s+</g, "<")
				// Replace remaining new lines and spaces with space
				.replace(/[\t\n\r ]+/g, " ")
				// Replace <br> tags with new lines
				.replace(/<\s*[bB][rR]\s*\/?>/g, "\n")
				// Strip HTML elements
				.replace(/<[^>]*>/g, "");
			for (var i = 0; i < entities.length; ++i) o = o.replace(entities[i][0], entities[i][1]);
			return o;
		};
	})();

	var vtregex = (function () {
		var vt_cache = {};
		return function vt_regex(bt) {
			if (vt_cache[bt] !== undefined) return vt_cache[bt];
			return (vt_cache[bt] = new RegExp("<(?:vt:)?" + bt + ">([\\s\\S]*?)</(?:vt:)?" + bt + ">", 'g'));
		};
	})();
	var vtvregex = /<\/?(?:vt:)?variant>/g, vtmregex = /<(?:vt:)([^>]*)>([\s\S]*)</;
	function parseVector(data, opts) {
		var h = parsexmltag(data);

		var matches = data.match(vtregex(h.baseType)) || [];
		var res = [];
		if (matches.length != h.size) {
			if (opts.WTF) throw new Error("unexpected vector length " + matches.length + " != " + h.size);
			return res;
		}
		matches.forEach(function (x) {
			var v = x.replace(vtvregex, "").match(vtmregex);
			if (v) res.push({ v: utf8read(v[2]), t: v[1] });
		});
		return res;
	}

	var wtregex = /(^\s|\s$|\n)/;
	function writetag(f, g) { return '<' + f + (g.match(wtregex) ? ' xml:space="preserve"' : "") + '>' + g + '</' + f + '>'; }

	function wxt_helper(h) { return keys(h).map(function (k) { return " " + k + '="' + h[k] + '"'; }).join(""); }
	function writextag(f, g, h) { return '<' + f + ((h != null) ? wxt_helper(h) : "") + ((g != null) ? (g.match(wtregex) ? ' xml:space="preserve"' : "") + '>' + g + '</' + f : "/") + '>'; }

	function write_w3cdtf(d, t) { try { return d.toISOString().replace(/\.\d*/, ""); } catch (e) { if (t) throw e; } return ""; }

	function write_vt(s) {
		switch (typeof s) {
			case 'string': return writextag('vt:lpwstr', escapexml(s));
			case 'number': return writextag((s | 0) == s ? 'vt:i4' : 'vt:r8', escapexml(String(s)));
			case 'boolean': return writextag('vt:bool', s ? 'true' : 'false');
		}
		if (s instanceof Date) return writextag('vt:filetime', write_w3cdtf(s));
		throw new Error("Unable to serialize " + s);
	}

	var XMLNS = ({
		'dc': 'http://purl.org/dc/elements/1.1/',
		'dcterms': 'http://purl.org/dc/terms/',
		'dcmitype': 'http://purl.org/dc/dcmitype/',
		'mx': 'http://schemas.microsoft.com/office/mac/excel/2008/main',
		'r': 'http://schemas.openxmlformats.org/officeDocument/2006/relationships',
		'sjs': 'http://schemas.openxmlformats.org/package/2006/sheetjs/core-properties',
		'vt': 'http://schemas.openxmlformats.org/officeDocument/2006/docPropsVTypes',
		'xsi': 'http://www.w3.org/2001/XMLSchema-instance',
		'xsd': 'http://www.w3.org/2001/XMLSchema'
	});

	XMLNS.main = [
		'http://schemas.openxmlformats.org/spreadsheetml/2006/main',
		'http://purl.oclc.org/ooxml/spreadsheetml/main',
		'http://schemas.microsoft.com/office/excel/2006/main',
		'http://schemas.microsoft.com/office/excel/2006/2'
	];

	var XLMLNS = ({
		'o': 'urn:schemas-microsoft-com:office:office',
		'x': 'urn:schemas-microsoft-com:office:excel',
		'ss': 'urn:schemas-microsoft-com:office:spreadsheet',
		'dt': 'uuid:C2F41010-65B3-11d1-A29F-00AA00C14882',
		'mv': 'http://macVmlSchemaUri',
		'v': 'urn:schemas-microsoft-com:vml',
		'html': 'http://www.w3.org/TR/REC-html40'
	});
	function read_double_le(b, idx) {
		var s = 1 - 2 * (b[idx + 7] >>> 7);
		var e = ((b[idx + 7] & 0x7f) << 4) + ((b[idx + 6] >>> 4) & 0x0f);
		var m = (b[idx + 6] & 0x0f);
		for (var i = 5; i >= 0; --i) m = m * 256 + b[idx + i];
		if (e == 0x7ff) return m == 0 ? (s * Infinity) : NaN;
		if (e == 0) e = -1022;
		else { e -= 1023; m += Math.pow(2, 52); }
		return s * Math.pow(2, e - 52) * m;
	}

	function write_double_le(b, v, idx) {
		var bs = ((((v < 0) || (1 / v == -Infinity)) ? 1 : 0) << 7), e = 0, m = 0;
		var av = bs ? (-v) : v;
		if (!isFinite(av)) { e = 0x7ff; m = isNaN(v) ? 0x6969 : 0; }
		else if (av == 0) e = m = 0;
		else {
			e = Math.floor(Math.log(av) / Math.LN2);
			m = av * Math.pow(2, 52 - e);
			if ((e <= -1023) && (!isFinite(m) || (m < Math.pow(2, 52)))) { e = -1022; }
			else { m -= Math.pow(2, 52); e += 1023; }
		}
		for (var i = 0; i <= 5; ++i, m /= 256) b[idx + i] = m & 0xff;
		b[idx + 6] = ((e & 0x0f) << 4) | (m & 0xf);
		b[idx + 7] = (e >> 4) | bs;
	}

	var __toBuffer = function (bufs) { var x = [], w = 10240; for (var i = 0; i < bufs[0].length; ++i) if (bufs[0][i]) for (var j = 0, L = bufs[0][i].length; j < L; j += w) x.push.apply(x, bufs[0][i].slice(j, j + w)); return x; };
	var ___toBuffer = __toBuffer;
	var __utf16le = function (b, s, e) { var ss = []; for (var i = s; i < e; i += 2) ss.push(String.fromCharCode(__readUInt16LE(b, i))); return ss.join("").replace(chr0, ''); };
	var ___utf16le = __utf16le;
	var __hexlify = function (b, s, l) { var ss = []; for (var i = s; i < s + l; ++i) ss.push(("0" + b[i].toString(16)).slice(-2)); return ss.join(""); };
	var ___hexlify = __hexlify;
	var __utf8 = function (b, s, e) { var ss = []; for (var i = s; i < e; i++) ss.push(String.fromCharCode(__readUInt8(b, i))); return ss.join(""); };
	var ___utf8 = __utf8;
	var __lpstr = function (b, i) { var len = __readUInt32LE(b, i); return len > 0 ? __utf8(b, i + 4, i + 4 + len - 1) : ""; };
	var ___lpstr = __lpstr;
	var __cpstr = function (b, i) { var len = __readUInt32LE(b, i); return len > 0 ? __utf8(b, i + 4, i + 4 + len - 1) : ""; };
	var ___cpstr = __cpstr;
	var __lpwstr = function (b, i) { var len = 2 * __readUInt32LE(b, i); return len > 0 ? __utf8(b, i + 4, i + 4 + len - 1) : ""; };
	var ___lpwstr = __lpwstr;
	var __lpp4, ___lpp4;
	__lpp4 = ___lpp4 = function lpp4_(b, i) { var len = __readUInt32LE(b, i); return len > 0 ? __utf16le(b, i + 4, i + 4 + len) : ""; };
	var __8lpp4 = function (b, i) { var len = __readUInt32LE(b, i); return len > 0 ? __utf8(b, i + 4, i + 4 + len) : ""; };
	var ___8lpp4 = __8lpp4;
	var __double, ___double;
	__double = ___double = function (b, idx) { return read_double_le(b, idx); };
	var is_buf = function is_buf_a(a) { return Array.isArray(a); };

	if (has_buf) {
		__utf16le = function (b, s, e) { if (!Buffer.isBuffer(b)) return ___utf16le(b, s, e); return b.toString('utf16le', s, e).replace(chr0, '')/*.replace(chr1,'!')*/; };
		__hexlify = function (b, s, l) { return Buffer.isBuffer(b) ? b.toString('hex', s, s + l) : ___hexlify(b, s, l); };
		__lpstr = function lpstr_b(b, i) { if (!Buffer.isBuffer(b)) return ___lpstr(b, i); var len = b.readUInt32LE(i); return len > 0 ? b.toString('utf8', i + 4, i + 4 + len - 1) : ""; };
		__cpstr = function cpstr_b(b, i) { if (!Buffer.isBuffer(b)) return ___cpstr(b, i); var len = b.readUInt32LE(i); return len > 0 ? b.toString('utf8', i + 4, i + 4 + len - 1) : ""; };
		__lpwstr = function lpwstr_b(b, i) { if (!Buffer.isBuffer(b)) return ___lpwstr(b, i); var len = 2 * b.readUInt32LE(i); return b.toString('utf16le', i + 4, i + 4 + len - 1); };
		__lpp4 = function lpp4_b(b, i) { if (!Buffer.isBuffer(b)) return ___lpp4(b, i); var len = b.readUInt32LE(i); return b.toString('utf16le', i + 4, i + 4 + len); };
		__8lpp4 = function lpp4_8b(b, i) { if (!Buffer.isBuffer(b)) return ___8lpp4(b, i); var len = b.readUInt32LE(i); return b.toString('utf8', i + 4, i + 4 + len); };
		__utf8 = function utf8_b(b, s, e) { return (Buffer.isBuffer(b)) ? b.toString('utf8', s, e) : ___utf8(b, s, e); };
		__toBuffer = function (bufs) { return (bufs[0].length > 0 && Buffer.isBuffer(bufs[0][0])) ? Buffer.concat(bufs[0]) : ___toBuffer(bufs); };
		bconcat = function (bufs) { return Buffer.isBuffer(bufs[0]) ? Buffer.concat(bufs) : [].concat.apply([], bufs); };
		__double = function double_(b, i) { if (Buffer.isBuffer(b)) return b.readDoubleLE(i); return ___double(b, i); };
		is_buf = function is_buf_b(a) { return Buffer.isBuffer(a) || Array.isArray(a); };
	}

	/* from js-xls */
	if (typeof cptable !== 'undefined') {
		__utf16le = function (b, s, e) { return cptable.utils.decode(1200, b.slice(s, e)).replace(chr0, ''); };
		__utf8 = function (b, s, e) { return cptable.utils.decode(65001, b.slice(s, e)); };
		__lpstr = function (b, i) { var len = __readUInt32LE(b, i); return len > 0 ? cptable.utils.decode(current_ansi, b.slice(i + 4, i + 4 + len - 1)) : ""; };
		__cpstr = function (b, i) { var len = __readUInt32LE(b, i); return len > 0 ? cptable.utils.decode(current_codepage, b.slice(i + 4, i + 4 + len - 1)) : ""; };
		__lpwstr = function (b, i) { var len = 2 * __readUInt32LE(b, i); return len > 0 ? cptable.utils.decode(1200, b.slice(i + 4, i + 4 + len - 1)) : ""; };
		__lpp4 = function (b, i) { var len = __readUInt32LE(b, i); return len > 0 ? cptable.utils.decode(1200, b.slice(i + 4, i + 4 + len)) : ""; };
		__8lpp4 = function (b, i) { var len = __readUInt32LE(b, i); return len > 0 ? cptable.utils.decode(65001, b.slice(i + 4, i + 4 + len)) : ""; };
	}

	var __readUInt8 = function (b, idx) { return b[idx]; };
	var __readUInt16LE = function (b, idx) { return (b[idx + 1] * (1 << 8)) + b[idx]; };
	var __readInt16LE = function (b, idx) { var u = (b[idx + 1] * (1 << 8)) + b[idx]; return (u < 0x8000) ? u : ((0xffff - u + 1) * -1); };
	var __readUInt32LE = function (b, idx) { return b[idx + 3] * (1 << 24) + (b[idx + 2] << 16) + (b[idx + 1] << 8) + b[idx]; };
	var __readInt32LE = function (b, idx) { return (b[idx + 3] << 24) | (b[idx + 2] << 16) | (b[idx + 1] << 8) | b[idx]; };
	var __readInt32BE = function (b, idx) { return (b[idx] << 24) | (b[idx + 1] << 16) | (b[idx + 2] << 8) | b[idx + 3]; };

	function ReadShift(size, t) {
		var o = "", oI, oR, oo = [], w, vv, i, loc;
		switch (t) {
			case 'dbcs':
				loc = this.l;
				if (has_buf && Buffer.isBuffer(this)) o = this.slice(this.l, this.l + 2 * size).toString("utf16le");
				else for (i = 0; i < size; ++i) { o += String.fromCharCode(__readUInt16LE(this, loc)); loc += 2; }
				size *= 2;
				break;

			case 'utf8': o = __utf8(this, this.l, this.l + size); break;
			case 'utf16le': size *= 2; o = __utf16le(this, this.l, this.l + size); break;

			case 'wstr':
				if (typeof cptable !== 'undefined') o = cptable.utils.decode(current_codepage, this.slice(this.l, this.l + 2 * size));
				else return ReadShift.call(this, size, 'dbcs');
				size = 2 * size; break;

			/* [MS-OLEDS] 2.1.4 LengthPrefixedAnsiString */
			case 'lpstr-ansi': o = __lpstr(this, this.l); size = 4 + __readUInt32LE(this, this.l); break;
			case 'lpstr-cp': o = __cpstr(this, this.l); size = 4 + __readUInt32LE(this, this.l); break;
			/* [MS-OLEDS] 2.1.5 LengthPrefixedUnicodeString */
			case 'lpwstr': o = __lpwstr(this, this.l); size = 4 + 2 * __readUInt32LE(this, this.l); break;
			/* [MS-OFFCRYPTO] 2.1.2 Length-Prefixed Padded Unicode String (UNICODE-LP-P4) */
			case 'lpp4': size = 4 + __readUInt32LE(this, this.l); o = __lpp4(this, this.l); if (size & 0x02) size += 2; break;
			/* [MS-OFFCRYPTO] 2.1.3 Length-Prefixed UTF-8 String (UTF-8-LP-P4) */
			case '8lpp4': size = 4 + __readUInt32LE(this, this.l); o = __8lpp4(this, this.l); if (size & 0x03) size += 4 - (size & 0x03); break;

			case 'cstr': size = 0; o = "";
				while ((w = __readUInt8(this, this.l + size++)) !== 0) oo.push(_getchar(w));
				o = oo.join(""); break;
			case '_wstr': size = 0; o = "";
				while ((w = __readUInt16LE(this, this.l + size)) !== 0) { oo.push(_getchar(w)); size += 2; }
				size += 2; o = oo.join(""); break;

			/* sbcs and dbcs support continue records in the SST way TODO codepages */
			case 'dbcs-cont': o = ""; loc = this.l;
				for (i = 0; i < size; ++i) {
					if (this.lens && this.lens.indexOf(loc) !== -1) {
						w = __readUInt8(this, loc);
						this.l = loc + 1;
						vv = ReadShift.call(this, size - i, w ? 'dbcs-cont' : 'sbcs-cont');
						return oo.join("") + vv;
					}
					oo.push(_getchar(__readUInt16LE(this, loc)));
					loc += 2;
				} o = oo.join(""); size *= 2; break;

			case 'cpstr':
				if (typeof cptable !== 'undefined') {
					o = cptable.utils.decode(current_codepage, this.slice(this.l, this.l + size));
					break;
				}
			/* falls through */
			case 'sbcs-cont': o = ""; loc = this.l;
				for (i = 0; i != size; ++i) {
					if (this.lens && this.lens.indexOf(loc) !== -1) {
						w = __readUInt8(this, loc);
						this.l = loc + 1;
						vv = ReadShift.call(this, size - i, w ? 'dbcs-cont' : 'sbcs-cont');
						return oo.join("") + vv;
					}
					oo.push(_getchar(__readUInt8(this, loc)));
					loc += 1;
				} o = oo.join(""); break;

			default:
				switch (size) {
					case 1: oI = __readUInt8(this, this.l); this.l++; return oI;
					case 2: oI = (t === 'i' ? __readInt16LE : __readUInt16LE)(this, this.l); this.l += 2; return oI;
					case 4: case -4:
						if (t === 'i' || ((this[this.l + 3] & 0x80) === 0)) { oI = ((size > 0) ? __readInt32LE : __readInt32BE)(this, this.l); this.l += 4; return oI; }
						else { oR = __readUInt32LE(this, this.l); this.l += 4; } return oR;
					case 8: case -8:
						if (t === 'f') {
							if (size == 8) oR = __double(this, this.l);
							else oR = __double([this[this.l + 7], this[this.l + 6], this[this.l + 5], this[this.l + 4], this[this.l + 3], this[this.l + 2], this[this.l + 1], this[this.l + 0]], 0);
							this.l += 8; return oR;
						} else size = 8;
					/* falls through */
					case 16: o = __hexlify(this, this.l, size); break;
				}
		}
		this.l += size; return o;
	}

	var __writeUInt32LE = function (b, val, idx) { b[idx] = (val & 0xFF); b[idx + 1] = ((val >>> 8) & 0xFF); b[idx + 2] = ((val >>> 16) & 0xFF); b[idx + 3] = ((val >>> 24) & 0xFF); };
	var __writeInt32LE = function (b, val, idx) { b[idx] = (val & 0xFF); b[idx + 1] = ((val >> 8) & 0xFF); b[idx + 2] = ((val >> 16) & 0xFF); b[idx + 3] = ((val >> 24) & 0xFF); };
	var __writeUInt16LE = function (b, val, idx) { b[idx] = (val & 0xFF); b[idx + 1] = ((val >>> 8) & 0xFF); };

	function WriteShift(t, val, f) {
		var size = 0, i = 0;
		if (f === 'dbcs') {
			for (i = 0; i != val.length; ++i) __writeUInt16LE(this, val.charCodeAt(i), this.l + 2 * i);
			size = 2 * val.length;
		} else if (f === 'sbcs') {
			if (typeof cptable !== 'undefined' && current_ansi == 874) {
				/* TODO: use tables directly, don't encode */
				for (i = 0; i != val.length; ++i) {
					var cppayload = cptable.utils.encode(current_ansi, val.charAt(i));
					this[this.l + i] = cppayload[0];
				}
			} else {
				val = val.replace(/[^\x00-\x7F]/g, "_");
				for (i = 0; i != val.length; ++i) this[this.l + i] = (val.charCodeAt(i) & 0xFF);
			}
			size = val.length;
		} else if (f === 'hex') {
			for (; i < t; ++i) {
				this[this.l++] = (parseInt(val.slice(2 * i, 2 * i + 2), 16) || 0);
			} return this;
		} else if (f === 'utf16le') {
			var end = Math.min(this.l + t, this.length);
			for (i = 0; i < Math.min(val.length, t); ++i) {
				var cc = val.charCodeAt(i);
				this[this.l++] = (cc & 0xff);
				this[this.l++] = (cc >> 8);
			}
			while (this.l < end) this[this.l++] = 0;
			return this;
		} else switch (t) {
			case 1: size = 1; this[this.l] = val & 0xFF; break;
			case 2: size = 2; this[this.l] = val & 0xFF; val >>>= 8; this[this.l + 1] = val & 0xFF; break;
			case 3: size = 3; this[this.l] = val & 0xFF; val >>>= 8; this[this.l + 1] = val & 0xFF; val >>>= 8; this[this.l + 2] = val & 0xFF; break;
			case 4: size = 4; __writeUInt32LE(this, val, this.l); break;
			case 8: size = 8; if (f === 'f') { write_double_le(this, val, this.l); break; }
			/* falls through */
			case 16: break;
			case -4: size = 4; __writeInt32LE(this, val, this.l); break;
		}
		this.l += size; return this;
	}

	function CheckField(hexstr, fld) {
		var m = __hexlify(this, this.l, hexstr.length >> 1);
		if (m !== hexstr) throw new Error(fld + 'Expected ' + hexstr + ' saw ' + m);
		this.l += hexstr.length >> 1;
	}

	function prep_blob(blob, pos) {
		blob.l = pos;
		blob.read_shift = ReadShift;
		blob.chk = CheckField;
		blob.write_shift = WriteShift;
	}

	function parsenoop(blob, length) { blob.l += length; }

	function new_buf(sz) {
		var o = new_raw_buf(sz);
		prep_blob(o, 0);
		return o;
	}

	/* [MS-XLSB] 2.1.4 Record */
	function recordhopper(data, cb, opts) {
		if (!data) return;
		var tmpbyte, cntbyte, length;
		prep_blob(data, data.l || 0);
		var L = data.length, RT = 0, tgt = 0;
		while (data.l < L) {
			RT = data.read_shift(1);
			if (RT & 0x80) RT = (RT & 0x7F) + ((data.read_shift(1) & 0x7F) << 7);
			var R = XLSBRecordEnum[RT] || XLSBRecordEnum[0xFFFF];
			tmpbyte = data.read_shift(1);
			length = tmpbyte & 0x7F;
			for (cntbyte = 1; cntbyte < 4 && (tmpbyte & 0x80); ++cntbyte) length += ((tmpbyte = data.read_shift(1)) & 0x7F) << (7 * cntbyte);
			tgt = data.l + length;
			var d = (R.f || parsenoop)(data, length, opts);
			data.l = tgt;
			if (cb(d, R.n, RT)) return;
		}
	}

	/* control buffer usage for fixed-length buffers */
	function buf_array() {
		var bufs = [], blksz = has_buf ? 256 : 2048;
		var newblk = function ba_newblk(sz) {
			var o = (new_buf(sz));
			prep_blob(o, 0);
			return o;
		};

		var curbuf = newblk(blksz);

		var endbuf = function ba_endbuf() {
			if (!curbuf) return;
			if (curbuf.length > curbuf.l) { curbuf = curbuf.slice(0, curbuf.l); curbuf.l = curbuf.length; }
			if (curbuf.length > 0) bufs.push(curbuf);
			curbuf = null;
		};

		var next = function ba_next(sz) {
			if (curbuf && (sz < (curbuf.length - curbuf.l))) return curbuf;
			endbuf();
			return (curbuf = newblk(Math.max(sz + 1, blksz)));
		};

		var end = function ba_end() {
			endbuf();
			return __toBuffer([bufs]);
		};

		var push = function ba_push(buf) { endbuf(); curbuf = buf; if (curbuf.l == null) curbuf.l = curbuf.length; next(blksz); };

		return ({ next: next, push: push, end: end, _bufs: bufs });
	}

	function write_record(ba, type, payload, length) {
		var t = +XLSBRE[type], l;
		if (isNaN(t)) return; // TODO: throw something here?
		if (!length) length = XLSBRecordEnum[t].p || (payload || []).length || 0;
		l = 1 + (t >= 0x80 ? 1 : 0) + 1/* + length*/;
		if (length >= 0x80) ++l; if (length >= 0x4000) ++l; if (length >= 0x200000) ++l;
		var o = ba.next(l);
		if (t <= 0x7F) o.write_shift(1, t);
		else {
			o.write_shift(1, (t & 0x7F) + 0x80);
			o.write_shift(1, (t >> 7));
		}
		for (var i = 0; i != 4; ++i) {
			if (length >= 0x80) { o.write_shift(1, (length & 0x7F) + 0x80); length >>= 7; }
			else { o.write_shift(1, length); break; }
		}
		if (length > 0 && is_buf(payload)) ba.push(payload);
	}
	/* XLS ranges enforced */
	function shift_cell_xls(cell, tgt, opts) {
		var out = dup(cell);
		if (tgt.s) {
			if (out.cRel) out.c += tgt.s.c;
			if (out.rRel) out.r += tgt.s.r;
		} else {
			if (out.cRel) out.c += tgt.c;
			if (out.rRel) out.r += tgt.r;
		}
		if (!opts || opts.biff < 12) {
			while (out.c >= 0x100) out.c -= 0x100;
			while (out.r >= 0x10000) out.r -= 0x10000;
		}
		return out;
	}

	function shift_range_xls(cell, range, opts) {
		var out = dup(cell);
		out.s = shift_cell_xls(out.s, range.s, opts);
		out.e = shift_cell_xls(out.e, range.s, opts);
		return out;
	}

	function encode_cell_xls(c, biff) {
		if (c.cRel && c.c < 0) { c = dup(c); while (c.c < 0) c.c += (biff > 8) ? 0x4000 : 0x100; }
		if (c.rRel && c.r < 0) { c = dup(c); while (c.r < 0) c.r += (biff > 8) ? 0x100000 : ((biff > 5) ? 0x10000 : 0x4000); }
		var s = encode_cell(c);
		if (!c.cRel && c.cRel != null) s = fix_col(s);
		if (!c.rRel && c.rRel != null) s = fix_row(s);
		return s;
	}

	function encode_range_xls(r, opts) {
		if (r.s.r == 0 && !r.s.rRel) {
			if (r.e.r == (opts.biff >= 12 ? 0xFFFFF : (opts.biff >= 8 ? 0x10000 : 0x4000)) && !r.e.rRel) {
				return (r.s.cRel ? "" : "$") + encode_col(r.s.c) + ":" + (r.e.cRel ? "" : "$") + encode_col(r.e.c);
			}
		}
		if (r.s.c == 0 && !r.s.cRel) {
			if (r.e.c == (opts.biff >= 12 ? 0xFFFF : 0xFF) && !r.e.cRel) {
				return (r.s.rRel ? "" : "$") + encode_row(r.s.r) + ":" + (r.e.rRel ? "" : "$") + encode_row(r.e.r);
			}
		}
		return encode_cell_xls(r.s, opts.biff) + ":" + encode_cell_xls(r.e, opts.biff);
	}
	var OFFCRYPTO = {};

	var make_offcrypto = function (O, _crypto) {
		var crypto;
		if (typeof _crypto !== 'undefined') crypto = _crypto;
		else if (typeof require !== 'undefined') {
			try { crypto = undefined; }
			catch (e) { crypto = null; }
		}

		O.rc4 = function (key, data) {
			var S = new Array(256);
			var c = 0, i = 0, j = 0, t = 0;
			for (i = 0; i != 256; ++i) S[i] = i;
			for (i = 0; i != 256; ++i) {
				j = (j + S[i] + (key[i % key.length]).charCodeAt(0)) & 255;
				t = S[i]; S[i] = S[j]; S[j] = t;
			}
			// $FlowIgnore
			i = j = 0; var out = Buffer(data.length);
			for (c = 0; c != data.length; ++c) {
				i = (i + 1) & 255;
				j = (j + S[i]) % 256;
				t = S[i]; S[i] = S[j]; S[j] = t;
				out[c] = (data[c] ^ S[(S[i] + S[j]) & 255]);
			}
			return out;
		};

		O.md5 = function (hex) {
			if (!crypto) throw new Error("Unsupported crypto");
			return crypto.createHash('md5').update(hex).digest('hex');
		};
	};
	/*global crypto:true */
	make_offcrypto(OFFCRYPTO, typeof crypto !== "undefined" ? crypto : undefined);

	function decode_row(rowstr) { return parseInt(unfix_row(rowstr), 10) - 1; }
	function encode_row(row) { return "" + (row + 1); }
	function fix_row(cstr) { return cstr.replace(/([A-Z]|^)(\d+)$/, "$1$$$2"); }
	function unfix_row(cstr) { return cstr.replace(/\$(\d+)$/, "$1"); }

	function decode_col(colstr) { var c = unfix_col(colstr), d = 0, i = 0; for (; i !== c.length; ++i) d = 26 * d + c.charCodeAt(i) - 64; return d - 1; }
	function encode_col(col) { if (col < 0) throw new Error("invalid column " + col); var s = ""; for (++col; col; col = Math.floor((col - 1) / 26)) s = String.fromCharCode(((col - 1) % 26) + 65) + s; return s; }
	function fix_col(cstr) { return cstr.replace(/^([A-Z])/, "$$$1"); }
	function unfix_col(cstr) { return cstr.replace(/^\$([A-Z])/, "$1"); }

	function split_cell(cstr) { return cstr.replace(/(\$?[A-Z]*)(\$?\d*)/, "$1,$2").split(","); }
	function decode_cell(cstr) { var splt = split_cell(cstr); return { c: decode_col(splt[0]), r: decode_row(splt[1]) }; }
	function encode_cell(cell) { return encode_col(cell.c) + encode_row(cell.r); }
	function decode_range(range) { var x = range.split(":").map(decode_cell); return { s: x[0], e: x[x.length - 1] }; }
	function encode_range(cs, ce) {
		if (typeof ce === 'undefined' || typeof ce === 'number') {
			return encode_range(cs.s, cs.e);
		}
		if (typeof cs !== 'string') cs = encode_cell((cs));
		if (typeof ce !== 'string') ce = encode_cell((ce));
		return cs == ce ? cs : cs + ":" + ce;
	}

	function safe_decode_range(range) {
		var o = { s: { c: 0, r: 0 }, e: { c: 0, r: 0 } };
		var idx = 0, i = 0, cc = 0;
		var len = range.length;
		for (idx = 0; i < len; ++i) {
			if ((cc = range.charCodeAt(i) - 64) < 1 || cc > 26) break;
			idx = 26 * idx + cc;
		}
		o.s.c = --idx;

		for (idx = 0; i < len; ++i) {
			if ((cc = range.charCodeAt(i) - 48) < 0 || cc > 9) break;
			idx = 10 * idx + cc;
		}
		o.s.r = --idx;

		if (i === len || range.charCodeAt(++i) === 58) { o.e.c = o.s.c; o.e.r = o.s.r; return o; }

		for (idx = 0; i != len; ++i) {
			if ((cc = range.charCodeAt(i) - 64) < 1 || cc > 26) break;
			idx = 26 * idx + cc;
		}
		o.e.c = --idx;

		for (idx = 0; i != len; ++i) {
			if ((cc = range.charCodeAt(i) - 48) < 0 || cc > 9) break;
			idx = 10 * idx + cc;
		}
		o.e.r = --idx;
		return o;
	}

	function safe_format_cell(cell, v) {
		var q = (cell.t == 'd' && v instanceof Date);
		if (cell.z != null) try { return (cell.w = SSF.format(cell.z, q ? datenum(v) : v)); } catch (e) { }
		try { return (cell.w = SSF.format((cell.XF || {}).numFmtId || (q ? 14 : 0), q ? datenum(v) : v)); } catch (e) { return '' + v; }
	}

	function format_cell(cell, v, o) {
		if (cell == null || cell.t == null || cell.t == 'z') return "";
		if (cell.w !== undefined) return cell.w;
		if (cell.t == 'd' && !cell.z && o && o.dateNF) cell.z = o.dateNF;
		if (v == undefined) return safe_format_cell(cell, cell.v);
		return safe_format_cell(cell, v);
	}

	function sheet_to_workbook(sheet, opts) {
		var n = opts && opts.sheet ? opts.sheet : "Sheet1";
		var sheets = {}; sheets[n] = sheet;
		return { SheetNames: [n], Sheets: sheets };
	}

	function sheet_add_aoa(_ws, data, opts) {
		var o = opts || {};
		var dense = _ws ? Array.isArray(_ws) : o.dense;
		if (DENSE != null && dense == null) dense = DENSE;
		var ws = _ws || (dense ? ([]) : ({}));
		var _R = 0, _C = 0;
		if (ws && o.origin != null) {
			if (typeof o.origin == 'number') _R = o.origin;
			else {
				var _origin = typeof o.origin == "string" ? decode_cell(o.origin) : o.origin;
				_R = _origin.r; _C = _origin.c;
			}
		}
		var range = ({ s: { c: 10000000, r: 10000000 }, e: { c: 0, r: 0 } });
		if (ws['!ref']) {
			var _range = safe_decode_range(ws['!ref']);
			range.s.c = _range.s.c;
			range.s.r = _range.s.r;
			range.e.c = Math.max(range.e.c, _range.e.c);
			range.e.r = Math.max(range.e.r, _range.e.r);
			if (_R == -1) range.e.r = _R = _range.e.r + 1;
		}
		for (var R = 0; R != data.length; ++R) {
			if (!data[R]) continue;
			if (!Array.isArray(data[R])) throw new Error("aoa_to_sheet expects an array of arrays");
			for (var C = 0; C != data[R].length; ++C) {
				if (typeof data[R][C] === 'undefined') continue;
				var cell = ({ v: data[R][C] });
				var __R = _R + R, __C = _C + C;
				if (range.s.r > __R) range.s.r = __R;
				if (range.s.c > __C) range.s.c = __C;
				if (range.e.r < __R) range.e.r = __R;
				if (range.e.c < __C) range.e.c = __C;
				if (data[R][C] && typeof data[R][C] === 'object' && !Array.isArray(data[R][C]) && !(data[R][C] instanceof Date)) cell = data[R][C];
				else {
					if (Array.isArray(cell.v)) { cell.f = data[R][C][1]; cell.v = cell.v[0]; }
					if (cell.v === null) { if (cell.f) cell.t = 'n'; else if (!o.sheetStubs) continue; else cell.t = 'z'; }
					else if (typeof cell.v === 'number') cell.t = 'n';
					else if (typeof cell.v === 'boolean') cell.t = 'b';
					else if (cell.v instanceof Date) {
						cell.z = o.dateNF || SSF._table[14];
						if (o.cellDates) { cell.t = 'd'; cell.w = SSF.format(cell.z, datenum(cell.v)); }
						else { cell.t = 'n'; cell.v = datenum(cell.v); cell.w = SSF.format(cell.z, cell.v); }
					}
					else cell.t = 's';
				}
				if (dense) {
					if (!ws[__R]) ws[__R] = [];
					if (ws[__R][__C] && ws[__R][__C].z) cell.z = ws[__R][__C].z;
					ws[__R][__C] = cell;
				} else {
					var cell_ref = encode_cell(({ c: __C, r: __R }));
					if (ws[cell_ref] && ws[cell_ref].z) cell.z = ws[cell_ref].z;
					ws[cell_ref] = cell;
				}
			}
		}
		if (range.s.c < 10000000) ws['!ref'] = encode_range(range);
		return ws;
	}
	function aoa_to_sheet(data, opts) { return sheet_add_aoa(null, data, opts); }

	function write_UInt32LE(x, o) {
		if (!o) o = new_buf(4);
		o.write_shift(4, x);
		return o;
	}

	/* [MS-XLSB] 2.5.168 */
	function parse_XLWideString(data) {
		var cchCharacters = data.read_shift(4);
		return cchCharacters === 0 ? "" : data.read_shift(cchCharacters, 'dbcs');
	}
	function write_XLWideString(data, o) {
		var _null = false; if (o == null) { _null = true; o = new_buf(4 + 2 * data.length); }
		o.write_shift(4, data.length);
		if (data.length > 0) o.write_shift(0, data, 'dbcs');
		return _null ? o.slice(0, o.l) : o;
	}

	/* [MS-XLSB] 2.5.143 */
	function parse_StrRun(data) {
		return { ich: data.read_shift(2), ifnt: data.read_shift(2) };
	}
	function write_StrRun(run, o) {
		if (!o) o = new_buf(4);
		o.write_shift(2, run.ich || 0);
		o.write_shift(2, run.ifnt || 0);
		return o;
	}

	/* [MS-XLSB] 2.5.121 */
	function parse_RichStr(data, length) {
		var start = data.l;
		var flags = data.read_shift(1);
		var str = parse_XLWideString(data);
		var rgsStrRun = [];
		var z = ({ t: str, h: str });
		if ((flags & 1) !== 0) { /* fRichStr */
			/* TODO: formatted string */
			var dwSizeStrRun = data.read_shift(4);
			for (var i = 0; i != dwSizeStrRun; ++i) rgsStrRun.push(parse_StrRun(data));
			z.r = rgsStrRun;
		}
		else z.r = [{ ich: 0, ifnt: 0 }];
		//if((flags & 2) !== 0) { /* fExtStr */
		//	/* TODO: phonetic string */
		//}
		data.l = start + length;
		return z;
	}
	function write_RichStr(str, o) {
		/* TODO: formatted string */
		var _null = false; if (o == null) { _null = true; o = new_buf(15 + 4 * str.t.length); }
		o.write_shift(1, 0);
		write_XLWideString(str.t, o);
		return _null ? o.slice(0, o.l) : o;
	}
	/* [MS-XLSB] 2.4.328 BrtCommentText (RichStr w/1 run) */
	var parse_BrtCommentText = parse_RichStr;
	function write_BrtCommentText(str, o) {
		/* TODO: formatted string */
		var _null = false; if (o == null) { _null = true; o = new_buf(23 + 4 * str.t.length); }
		o.write_shift(1, 1);
		write_XLWideString(str.t, o);
		o.write_shift(4, 1);
		write_StrRun({ ich: 0, ifnt: 0 }, o);
		return _null ? o.slice(0, o.l) : o;
	}

	/* [MS-XLSB] 2.5.9 */
	function parse_XLSBCell(data) {
		var col = data.read_shift(4);
		var iStyleRef = data.read_shift(2);
		iStyleRef += data.read_shift(1) << 16;
		data.l++; //var fPhShow = data.read_shift(1);
		return { c: col, iStyleRef: iStyleRef };
	}
	function write_XLSBCell(cell, o) {
		if (o == null) o = new_buf(8);
		o.write_shift(-4, cell.c);
		o.write_shift(3, cell.iStyleRef || cell.s);
		o.write_shift(1, 0); /* fPhShow */
		return o;
	}


	/* [MS-XLSB] 2.5.21 */
	var parse_XLSBCodeName = parse_XLWideString;
	var write_XLSBCodeName = write_XLWideString;

	/* [MS-XLSB] 2.5.166 */
	function parse_XLNullableWideString(data) {
		var cchCharacters = data.read_shift(4);
		return cchCharacters === 0 || cchCharacters === 0xFFFFFFFF ? "" : data.read_shift(cchCharacters, 'dbcs');
	}
	function write_XLNullableWideString(data, o) {
		var _null = false; if (o == null) { _null = true; o = new_buf(127); }
		o.write_shift(4, data.length > 0 ? data.length : 0xFFFFFFFF);
		if (data.length > 0) o.write_shift(0, data, 'dbcs');
		return _null ? o.slice(0, o.l) : o;
	}

	/* [MS-XLSB] 2.5.165 */
	var parse_XLNameWideString = parse_XLWideString;
	//var write_XLNameWideString = write_XLWideString;

	/* [MS-XLSB] 2.5.114 */
	var parse_RelID = parse_XLNullableWideString;
	var write_RelID = write_XLNullableWideString;


	/* [MS-XLS] 2.5.217 ; [MS-XLSB] 2.5.122 */
	function parse_RkNumber(data) {
		var b = data.slice(data.l, data.l + 4);
		var fX100 = (b[0] & 1), fInt = (b[0] & 2);
		data.l += 4;
		b[0] &= 0xFC; // b[0] &= ~3;
		var RK = fInt === 0 ? __double([0, 0, 0, 0, b[0], b[1], b[2], b[3]], 0) : __readInt32LE(b, 0) >> 2;
		return fX100 ? (RK / 100) : RK;
	}
	function write_RkNumber(data, o) {
		if (o == null) o = new_buf(4);
		var fX100 = 0, fInt = 0, d100 = data * 100;
		if ((data == (data | 0)) && (data >= -(1 << 29)) && (data < (1 << 29))) { fInt = 1; }
		else if ((d100 == (d100 | 0)) && (d100 >= -(1 << 29)) && (d100 < (1 << 29))) { fInt = 1; fX100 = 1; }
		if (fInt) o.write_shift(-4, ((fX100 ? d100 : data) << 2) + (fX100 + 2));
		else throw new Error("unsupported RkNumber " + data); // TODO
	}


	/* [MS-XLSB] 2.5.117 RfX */
	function parse_RfX(data) {
		var cell = ({ s: {}, e: {} });
		cell.s.r = data.read_shift(4);
		cell.e.r = data.read_shift(4);
		cell.s.c = data.read_shift(4);
		cell.e.c = data.read_shift(4);
		return cell;
	}
	function write_RfX(r, o) {
		if (!o) o = new_buf(16);
		o.write_shift(4, r.s.r);
		o.write_shift(4, r.e.r);
		o.write_shift(4, r.s.c);
		o.write_shift(4, r.e.c);
		return o;
	}

	/* [MS-XLSB] 2.5.153 UncheckedRfX */
	var parse_UncheckedRfX = parse_RfX;
	var write_UncheckedRfX = write_RfX;


	/* [MS-XLS] 2.5.342 ; [MS-XLSB] 2.5.171 */
	/* TODO: error checking, NaN and Infinity values are not valid Xnum */
	function parse_Xnum(data) { return data.read_shift(8, 'f'); }
	function write_Xnum(data, o) { return (o || new_buf(8)).write_shift(8, data, 'f'); }

	/* [MS-XLSB] 2.5.97.2 */
	var BErr = {
		0x00: "#NULL!",
		0x07: "#DIV/0!",
		0x0F: "#VALUE!",
		0x17: "#REF!",
		0x1D: "#NAME?",
		0x24: "#NUM!",
		0x2A: "#N/A",
		0x2B: "#GETTING_DATA",
		0xFF: "#WTF?"
	};
	var RBErr = evert_num(BErr);

	/* [MS-XLSB] 2.4.324 BrtColor */
	function parse_BrtColor(data) {
		var out = {};
		var d = data.read_shift(1);

		//var fValidRGB = d & 1;
		var xColorType = d >>> 1;

		var index = data.read_shift(1);
		var nTS = data.read_shift(2, 'i');
		var bR = data.read_shift(1);
		var bG = data.read_shift(1);
		var bB = data.read_shift(1);
		data.l++; //var bAlpha = data.read_shift(1);

		switch (xColorType) {
			case 0: out.auto = 1; break;
			case 1:
				out.index = index;
				var icv = XLSIcv[index];
				/* automatic pseudo index 81 */
				if (icv) out.rgb = rgb2Hex(icv);
				break;
			case 2:
				/* if(!fValidRGB) throw new Error("invalid"); */
				out.rgb = rgb2Hex([bR, bG, bB]);
				break;
			case 3: out.theme = index; break;
		}
		if (nTS != 0) out.tint = nTS > 0 ? nTS / 32767 : nTS / 32768;

		return out;
	}
	function write_BrtColor(color, o) {
		if (!o) o = new_buf(8);
		if (!color || color.auto) { o.write_shift(4, 0); o.write_shift(4, 0); return o; }
		if (color.index != null) {
			o.write_shift(1, 0x02);
			o.write_shift(1, color.index);
		} else if (color.theme != null) {
			o.write_shift(1, 0x06);
			o.write_shift(1, color.theme);
		} else {
			o.write_shift(1, 0x05);
			o.write_shift(1, 0);
		}
		var nTS = color.tint || 0;
		if (nTS > 0) nTS *= 32767;
		else if (nTS < 0) nTS *= 32768;
		o.write_shift(2, nTS);
		if (!color.rgb || color.theme != null) {
			o.write_shift(2, 0);
			o.write_shift(1, 0);
			o.write_shift(1, 0);
		} else {
			var rgb = (color.rgb || 'FFFFFF');
			if (typeof rgb == 'number') rgb = ("000000" + rgb.toString(16)).slice(-6);
			o.write_shift(1, parseInt(rgb.slice(0, 2), 16));
			o.write_shift(1, parseInt(rgb.slice(2, 4), 16));
			o.write_shift(1, parseInt(rgb.slice(4, 6), 16));
			o.write_shift(1, 0xFF);
		}
		return o;
	}

	/* [MS-XLSB] 2.5.52 */
	function parse_FontFlags(data) {
		var d = data.read_shift(1);
		data.l++;
		var out = {
			fBold: d & 0x01,
			fItalic: d & 0x02,
			fUnderline: d & 0x04,
			fStrikeout: d & 0x08,
			fOutline: d & 0x10,
			fShadow: d & 0x20,
			fCondense: d & 0x40,
			fExtend: d & 0x80
		};
		return out;
	}
	function write_FontFlags(font, o) {
		if (!o) o = new_buf(2);
		var grbit =
			(font.italic ? 0x02 : 0) |
			(font.strike ? 0x08 : 0) |
			(font.outline ? 0x10 : 0) |
			(font.shadow ? 0x20 : 0) |
			(font.condense ? 0x40 : 0) |
			(font.extend ? 0x80 : 0);
		o.write_shift(1, grbit);
		o.write_shift(1, 0);
		return o;
	}

	/* [MS-OLEDS] 2.3.1 and 2.3.2 */
	function parse_ClipboardFormatOrString(o, w) {
		// $FlowIgnore
		var ClipFmt = { 2: "BITMAP", 3: "METAFILEPICT", 8: "DIB", 14: "ENHMETAFILE" };
		var m = o.read_shift(4);
		switch (m) {
			case 0x00000000: return "";
			case 0xffffffff: case 0xfffffffe: return ClipFmt[o.read_shift(4)] || "";
		}
		if (m > 0x190) throw new Error("Unsupported Clipboard: " + m.toString(16));
		o.l -= 4;
		return o.read_shift(0, w == 1 ? "lpstr" : "lpwstr");
	}
	function parse_ClipboardFormatOrAnsiString(o) { return parse_ClipboardFormatOrString(o, 1); }
	function parse_ClipboardFormatOrUnicodeString(o) { return parse_ClipboardFormatOrString(o, 2); }

	/* [MS-OLEPS] 2.2 PropertyType */
	//var VT_EMPTY    = 0x0000;
	//var VT_NULL     = 0x0001;
	var VT_I2 = 0x0002;
	var VT_I4 = 0x0003;
	//var VT_R4       = 0x0004;
	//var VT_R8       = 0x0005;
	//var VT_CY       = 0x0006;
	//var VT_DATE     = 0x0007;
	//var VT_BSTR     = 0x0008;
	//var VT_ERROR    = 0x000A;
	var VT_BOOL = 0x000B;
	var VT_VARIANT = 0x000C;
	//var VT_DECIMAL  = 0x000E;
	//var VT_I1       = 0x0010;
	//var VT_UI1      = 0x0011;
	//var VT_UI2      = 0x0012;
	var VT_UI4 = 0x0013;
	//var VT_I8       = 0x0014;
	//var VT_UI8      = 0x0015;
	//var VT_INT      = 0x0016;
	//var VT_UINT     = 0x0017;
	var VT_LPSTR = 0x001E;
	//var VT_LPWSTR   = 0x001F;
	var VT_FILETIME = 0x0040;
	var VT_BLOB = 0x0041;
	//var VT_STREAM   = 0x0042;
	//var VT_STORAGE  = 0x0043;
	//var VT_STREAMED_Object  = 0x0044;
	//var VT_STORED_Object    = 0x0045;
	//var VT_BLOB_Object      = 0x0046;
	var VT_CF = 0x0047;
	//var VT_CLSID    = 0x0048;
	//var VT_VERSIONED_STREAM = 0x0049;
	var VT_VECTOR = 0x1000;
	//var VT_ARRAY    = 0x2000;

	var VT_STRING = 0x0050; // 2.3.3.1.11 VtString
	var VT_USTR = 0x0051; // 2.3.3.1.12 VtUnalignedString
	var VT_CUSTOM = [VT_STRING, VT_USTR];

	/* [MS-OSHARED] 2.3.3.2.2.1 Document Summary Information PIDDSI */
	var DocSummaryPIDDSI = {
		0x01: { n: 'CodePage', t: VT_I2 },
		0x02: { n: 'Category', t: VT_STRING },
		0x03: { n: 'PresentationFormat', t: VT_STRING },
		0x04: { n: 'ByteCount', t: VT_I4 },
		0x05: { n: 'LineCount', t: VT_I4 },
		0x06: { n: 'ParagraphCount', t: VT_I4 },
		0x07: { n: 'SlideCount', t: VT_I4 },
		0x08: { n: 'NoteCount', t: VT_I4 },
		0x09: { n: 'HiddenCount', t: VT_I4 },
		0x0a: { n: 'MultimediaClipCount', t: VT_I4 },
		0x0b: { n: 'ScaleCrop', t: VT_BOOL },
		0x0c: { n: 'HeadingPairs', t: VT_VECTOR | VT_VARIANT },
		0x0d: { n: 'TitlesOfParts', t: VT_VECTOR | VT_LPSTR },
		0x0e: { n: 'Manager', t: VT_STRING },
		0x0f: { n: 'Company', t: VT_STRING },
		0x10: { n: 'LinksUpToDate', t: VT_BOOL },
		0x11: { n: 'CharacterCount', t: VT_I4 },
		0x13: { n: 'SharedDoc', t: VT_BOOL },
		0x16: { n: 'HyperlinksChanged', t: VT_BOOL },
		0x17: { n: 'AppVersion', t: VT_I4, p: 'version' },
		0x18: { n: 'DigSig', t: VT_BLOB },
		0x1A: { n: 'ContentType', t: VT_STRING },
		0x1B: { n: 'ContentStatus', t: VT_STRING },
		0x1C: { n: 'Language', t: VT_STRING },
		0x1D: { n: 'Version', t: VT_STRING },
		0xFF: {}
	};

	/* [MS-OSHARED] 2.3.3.2.1.1 Summary Information Property Set PIDSI */
	var SummaryPIDSI = {
		0x01: { n: 'CodePage', t: VT_I2 },
		0x02: { n: 'Title', t: VT_STRING },
		0x03: { n: 'Subject', t: VT_STRING },
		0x04: { n: 'Author', t: VT_STRING },
		0x05: { n: 'Keywords', t: VT_STRING },
		0x06: { n: 'Comments', t: VT_STRING },
		0x07: { n: 'Template', t: VT_STRING },
		0x08: { n: 'LastAuthor', t: VT_STRING },
		0x09: { n: 'RevNumber', t: VT_STRING },
		0x0A: { n: 'EditTime', t: VT_FILETIME },
		0x0B: { n: 'LastPrinted', t: VT_FILETIME },
		0x0C: { n: 'CreatedDate', t: VT_FILETIME },
		0x0D: { n: 'ModifiedDate', t: VT_FILETIME },
		0x0E: { n: 'PageCount', t: VT_I4 },
		0x0F: { n: 'WordCount', t: VT_I4 },
		0x10: { n: 'CharCount', t: VT_I4 },
		0x11: { n: 'Thumbnail', t: VT_CF },
		0x12: { n: 'Application', t: VT_STRING },
		0x13: { n: 'DocSecurity', t: VT_I4 },
		0xFF: {}
	};

	/* [MS-OLEPS] 2.18 */
	var SpecialProperties = {
		0x80000000: { n: 'Locale', t: VT_UI4 },
		0x80000003: { n: 'Behavior', t: VT_UI4 },
		0x72627262: {}
	};

	(function () {
		for (var y in SpecialProperties) if (SpecialProperties.hasOwnProperty(y))
			DocSummaryPIDDSI[y] = SummaryPIDSI[y] = SpecialProperties[y];
	})();

	var DocSummaryRE = evert_key(DocSummaryPIDDSI, "n");
	var SummaryRE = evert_key(SummaryPIDSI, "n");

	/* [MS-XLS] 2.4.63 Country/Region codes */
	var CountryEnum = {
		0x0001: "US", // United States
		0x0002: "CA", // Canada
		0x0003: "", // Latin America (except Brazil)
		0x0007: "RU", // Russia
		0x0014: "EG", // Egypt
		0x001E: "GR", // Greece
		0x001F: "NL", // Netherlands
		0x0020: "BE", // Belgium
		0x0021: "FR", // France
		0x0022: "ES", // Spain
		0x0024: "HU", // Hungary
		0x0027: "IT", // Italy
		0x0029: "CH", // Switzerland
		0x002B: "AT", // Austria
		0x002C: "GB", // United Kingdom
		0x002D: "DK", // Denmark
		0x002E: "SE", // Sweden
		0x002F: "NO", // Norway
		0x0030: "PL", // Poland
		0x0031: "DE", // Germany
		0x0034: "MX", // Mexico
		0x0037: "BR", // Brazil
		0x003d: "AU", // Australia
		0x0040: "NZ", // New Zealand
		0x0042: "TH", // Thailand
		0x0051: "JP", // Japan
		0x0052: "KR", // Korea
		0x0054: "VN", // Viet Nam
		0x0056: "CN", // China
		0x005A: "TR", // Turkey
		0x0069: "JS", // Ramastan
		0x00D5: "DZ", // Algeria
		0x00D8: "MA", // Morocco
		0x00DA: "LY", // Libya
		0x015F: "PT", // Portugal
		0x0162: "IS", // Iceland
		0x0166: "FI", // Finland
		0x01A4: "CZ", // Czech Republic
		0x0376: "TW", // Taiwan
		0x03C1: "LB", // Lebanon
		0x03C2: "JO", // Jordan
		0x03C3: "SY", // Syria
		0x03C4: "IQ", // Iraq
		0x03C5: "KW", // Kuwait
		0x03C6: "SA", // Saudi Arabia
		0x03CB: "AE", // United Arab Emirates
		0x03CC: "IL", // Israel
		0x03CE: "QA", // Qatar
		0x03D5: "IR", // Iran
		0xFFFF: "US"  // United States
	};

	/* [MS-XLS] 2.5.127 */
	var XLSFillPattern = [
		null,
		'solid',
		'mediumGray',
		'darkGray',
		'lightGray',
		'darkHorizontal',
		'darkVertical',
		'darkDown',
		'darkUp',
		'darkGrid',
		'darkTrellis',
		'lightHorizontal',
		'lightVertical',
		'lightDown',
		'lightUp',
		'lightGrid',
		'lightTrellis',
		'gray125',
		'gray0625'
	];

	function rgbify(arr) { return arr.map(function (x) { return [(x >> 16) & 255, (x >> 8) & 255, x & 255]; }); }

	/* [MS-XLS] 2.5.161 */
	/* [MS-XLSB] 2.5.75 Icv */
	var _XLSIcv = rgbify([
		/* Color Constants */
		0x000000,
		0xFFFFFF,
		0xFF0000,
		0x00FF00,
		0x0000FF,
		0xFFFF00,
		0xFF00FF,
		0x00FFFF,

		/* Overridable Defaults */
		0x000000,
		0xFFFFFF,
		0xFF0000,
		0x00FF00,
		0x0000FF,
		0xFFFF00,
		0xFF00FF,
		0x00FFFF,

		0x800000,
		0x008000,
		0x000080,
		0x808000,
		0x800080,
		0x008080,
		0xC0C0C0,
		0x808080,
		0x9999FF,
		0x993366,
		0xFFFFCC,
		0xCCFFFF,
		0x660066,
		0xFF8080,
		0x0066CC,
		0xCCCCFF,

		0x000080,
		0xFF00FF,
		0xFFFF00,
		0x00FFFF,
		0x800080,
		0x800000,
		0x008080,
		0x0000FF,
		0x00CCFF,
		0xCCFFFF,
		0xCCFFCC,
		0xFFFF99,
		0x99CCFF,
		0xFF99CC,
		0xCC99FF,
		0xFFCC99,

		0x3366FF,
		0x33CCCC,
		0x99CC00,
		0xFFCC00,
		0xFF9900,
		0xFF6600,
		0x666699,
		0x969696,
		0x003366,
		0x339966,
		0x003300,
		0x333300,
		0x993300,
		0x993366,
		0x333399,
		0x333333,

		/* Other entries to appease BIFF8/12 */
		0xFFFFFF, /* 0x40 icvForeground ?? */
		0x000000, /* 0x41 icvBackground ?? */
		0x000000, /* 0x42 icvFrame ?? */
		0x000000, /* 0x43 icv3D ?? */
		0x000000, /* 0x44 icv3DText ?? */
		0x000000, /* 0x45 icv3DHilite ?? */
		0x000000, /* 0x46 icv3DShadow ?? */
		0x000000, /* 0x47 icvHilite ?? */
		0x000000, /* 0x48 icvCtlText ?? */
		0x000000, /* 0x49 icvCtlScrl ?? */
		0x000000, /* 0x4A icvCtlInv ?? */
		0x000000, /* 0x4B icvCtlBody ?? */
		0x000000, /* 0x4C icvCtlFrame ?? */
		0x000000, /* 0x4D icvCtlFore ?? */
		0x000000, /* 0x4E icvCtlBack ?? */
		0x000000, /* 0x4F icvCtlNeutral */
		0x000000, /* 0x50 icvInfoBk ?? */
		0x000000 /* 0x51 icvInfoText ?? */
	]);
	var XLSIcv = dup(_XLSIcv);
	/* Parts enumerated in OPC spec, MS-XLSB and MS-XLSX */
	/* 12.3 Part Summary <SpreadsheetML> */
	/* 14.2 Part Summary <DrawingML> */
	/* [MS-XLSX] 2.1 Part Enumerations ; [MS-XLSB] 2.1.7 Part Enumeration */
	var ct2type/*{[string]:string}*/ = ({
		/* Workbook */
		"application/vnd.openxmlformats-officedocument.spreadsheetml.sheet.main+xml": "workbooks",

		/* Worksheet */
		"application/vnd.ms-excel.binIndexWs": "TODO", /* Binary Index */

		/* Macrosheet */
		"application/vnd.ms-excel.intlmacrosheet": "TODO",
		"application/vnd.ms-excel.binIndexMs": "TODO", /* Binary Index */

		/* File Properties */
		"application/vnd.openxmlformats-package.core-properties+xml": "coreprops",
		"application/vnd.openxmlformats-officedocument.custom-properties+xml": "custprops",
		"application/vnd.openxmlformats-officedocument.extended-properties+xml": "extprops",

		/* Custom Data Properties */
		"application/vnd.openxmlformats-officedocument.customXmlProperties+xml": "TODO",
		"application/vnd.openxmlformats-officedocument.spreadsheetml.customProperty": "TODO",

		/* PivotTable */
		"application/vnd.ms-excel.pivotTable": "TODO",
		"application/vnd.openxmlformats-officedocument.spreadsheetml.pivotTable+xml": "TODO",

		/* Chart Objects */
		"application/vnd.openxmlformats-officedocument.drawingml.chart+xml": "TODO",

		/* Chart Colors */
		"application/vnd.ms-office.chartcolorstyle+xml": "TODO",

		/* Chart Style */
		"application/vnd.ms-office.chartstyle+xml": "TODO",

		/* Chart Advanced */
		"application/vnd.ms-office.chartex+xml": "TODO",

		/* Calculation Chain */
		"application/vnd.ms-excel.calcChain": "calcchains",
		"application/vnd.openxmlformats-officedocument.spreadsheetml.calcChain+xml": "calcchains",

		/* Printer Settings */
		"application/vnd.openxmlformats-officedocument.spreadsheetml.printerSettings": "TODO",

		/* ActiveX */
		"application/vnd.ms-office.activeX": "TODO",
		"application/vnd.ms-office.activeX+xml": "TODO",

		/* Custom Toolbars */
		"application/vnd.ms-excel.attachedToolbars": "TODO",

		/* External Data Connections */
		"application/vnd.ms-excel.connections": "TODO",
		"application/vnd.openxmlformats-officedocument.spreadsheetml.connections+xml": "TODO",

		/* External Links */
		"application/vnd.ms-excel.externalLink": "links",
		"application/vnd.openxmlformats-officedocument.spreadsheetml.externalLink+xml": "links",

		/* Metadata */
		"application/vnd.ms-excel.sheetMetadata": "TODO",
		"application/vnd.openxmlformats-officedocument.spreadsheetml.sheetMetadata+xml": "TODO",

		/* PivotCache */
		"application/vnd.ms-excel.pivotCacheDefinition": "TODO",
		"application/vnd.ms-excel.pivotCacheRecords": "TODO",
		"application/vnd.openxmlformats-officedocument.spreadsheetml.pivotCacheDefinition+xml": "TODO",
		"application/vnd.openxmlformats-officedocument.spreadsheetml.pivotCacheRecords+xml": "TODO",

		/* Query Table */
		"application/vnd.ms-excel.queryTable": "TODO",
		"application/vnd.openxmlformats-officedocument.spreadsheetml.queryTable+xml": "TODO",

		/* Shared Workbook */
		"application/vnd.ms-excel.userNames": "TODO",
		"application/vnd.ms-excel.revisionHeaders": "TODO",
		"application/vnd.ms-excel.revisionLog": "TODO",
		"application/vnd.openxmlformats-officedocument.spreadsheetml.revisionHeaders+xml": "TODO",
		"application/vnd.openxmlformats-officedocument.spreadsheetml.revisionLog+xml": "TODO",
		"application/vnd.openxmlformats-officedocument.spreadsheetml.userNames+xml": "TODO",

		/* Single Cell Table */
		"application/vnd.ms-excel.tableSingleCells": "TODO",
		"application/vnd.openxmlformats-officedocument.spreadsheetml.tableSingleCells+xml": "TODO",

		/* Slicer */
		"application/vnd.ms-excel.slicer": "TODO",
		"application/vnd.ms-excel.slicerCache": "TODO",
		"application/vnd.ms-excel.slicer+xml": "TODO",
		"application/vnd.ms-excel.slicerCache+xml": "TODO",

		/* Sort Map */
		"application/vnd.ms-excel.wsSortMap": "TODO",

		/* Table */
		"application/vnd.ms-excel.table": "TODO",
		"application/vnd.openxmlformats-officedocument.spreadsheetml.table+xml": "TODO",

		/* Themes */
		"application/vnd.openxmlformats-officedocument.theme+xml": "themes",

		/* Theme Override */
		"application/vnd.openxmlformats-officedocument.themeOverride+xml": "TODO",

		/* Timeline */
		"application/vnd.ms-excel.Timeline+xml": "TODO", /* verify */
		"application/vnd.ms-excel.TimelineCache+xml": "TODO", /* verify */

		/* VBA */
		"application/vnd.ms-office.vbaProject": "vba",
		"application/vnd.ms-office.vbaProjectSignature": "vba",

		/* Volatile Dependencies */
		"application/vnd.ms-office.volatileDependencies": "TODO",
		"application/vnd.openxmlformats-officedocument.spreadsheetml.volatileDependencies+xml": "TODO",

		/* Control Properties */
		"application/vnd.ms-excel.controlproperties+xml": "TODO",

		/* Data Model */
		"application/vnd.openxmlformats-officedocument.model+data": "TODO",

		/* Survey */
		"application/vnd.ms-excel.Survey+xml": "TODO",

		/* Drawing */
		"application/vnd.openxmlformats-officedocument.drawing+xml": "drawings",
		"application/vnd.openxmlformats-officedocument.drawingml.chartshapes+xml": "TODO",
		"application/vnd.openxmlformats-officedocument.drawingml.diagramColors+xml": "TODO",
		"application/vnd.openxmlformats-officedocument.drawingml.diagramData+xml": "TODO",
		"application/vnd.openxmlformats-officedocument.drawingml.diagramLayout+xml": "TODO",
		"application/vnd.openxmlformats-officedocument.drawingml.diagramStyle+xml": "TODO",

		/* VML */
		"application/vnd.openxmlformats-officedocument.vmlDrawing": "TODO",

		"application/vnd.openxmlformats-package.relationships+xml": "rels",
		"application/vnd.openxmlformats-officedocument.oleObject": "TODO",

		/* Image */
		"image/png": "TODO",

		"sheet": "js"
	});

	var CT_LIST = (function () {
		var o = {
			workbooks: {
				xlsx: "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet.main+xml",
				xlsm: "application/vnd.ms-excel.sheet.macroEnabled.main+xml",
				xlsb: "application/vnd.ms-excel.sheet.binary.macroEnabled.main",
				xlam: "application/vnd.ms-excel.addin.macroEnabled.main+xml",
				xltx: "application/vnd.openxmlformats-officedocument.spreadsheetml.template.main+xml"
			},
			strs: { /* Shared Strings */
				xlsx: "application/vnd.openxmlformats-officedocument.spreadsheetml.sharedStrings+xml",
				xlsb: "application/vnd.ms-excel.sharedStrings"
			},
			comments: { /* Comments */
				xlsx: "application/vnd.openxmlformats-officedocument.spreadsheetml.comments+xml",
				xlsb: "application/vnd.ms-excel.comments"
			},
			sheets: { /* Worksheet */
				xlsx: "application/vnd.openxmlformats-officedocument.spreadsheetml.worksheet+xml",
				xlsb: "application/vnd.ms-excel.worksheet"
			},
			charts: { /* Chartsheet */
				xlsx: "application/vnd.openxmlformats-officedocument.spreadsheetml.chartsheet+xml",
				xlsb: "application/vnd.ms-excel.chartsheet"
			},
			dialogs: { /* Dialogsheet */
				xlsx: "application/vnd.openxmlformats-officedocument.spreadsheetml.dialogsheet+xml",
				xlsb: "application/vnd.ms-excel.dialogsheet"
			},
			macros: { /* Macrosheet (Excel 4.0 Macros) */
				xlsx: "application/vnd.ms-excel.macrosheet+xml",
				xlsb: "application/vnd.ms-excel.macrosheet"
			},
			styles: { /* Styles */
				xlsx: "application/vnd.openxmlformats-officedocument.spreadsheetml.styles+xml",
				xlsb: "application/vnd.ms-excel.styles"
			}
		};
		keys(o).forEach(function (k) { ["xlsm", "xlam"].forEach(function (v) { if (!o[k][v]) o[k][v] = o[k].xlsx; }); });
		keys(o).forEach(function (k) { keys(o[k]).forEach(function (v) { ct2type[o[k][v]] = k; }); });
		return o;
	})();

	var type2ct/*{[string]:Array<string>}*/ = evert_arr(ct2type);

	XMLNS.CT = 'http://schemas.openxmlformats.org/package/2006/content-types';

	function new_ct() {
		return ({
			workbooks: [], sheets: [], charts: [], dialogs: [], macros: [],
			rels: [], strs: [], comments: [], links: [],
			coreprops: [], extprops: [], custprops: [], themes: [], styles: [],
			calcchains: [], vba: [], drawings: [],
			TODO: [], xmlns: ""
		});
	}

	function parse_ct(data) {
		var ct = new_ct();
		if (!data || !data.match) return ct;
		var ctext = {};
		(data.match(tagregex) || []).forEach(function (x) {
			var y = parsexmltag(x);
			switch (y[0].replace(nsregex, "<")) {
				case '<?xml': break;
				case '<Types': ct.xmlns = y['xmlns' + (y[0].match(/<(\w+):/) || ["", ""])[1]]; break;
				case '<Default': ctext[y.Extension] = y.ContentType; break;
				case '<Override':
					if (ct[ct2type[y.ContentType]] !== undefined) ct[ct2type[y.ContentType]].push(y.PartName);
					break;
			}
		});
		if (ct.xmlns !== XMLNS.CT) throw new Error("Unknown Namespace: " + ct.xmlns);
		ct.calcchain = ct.calcchains.length > 0 ? ct.calcchains[0] : "";
		ct.sst = ct.strs.length > 0 ? ct.strs[0] : "";
		ct.style = ct.styles.length > 0 ? ct.styles[0] : "";
		ct.defaults = ctext;
		delete ct.calcchains;
		return ct;
	}

	var CTYPE_XML_ROOT = writextag('Types', null, {
		'xmlns': XMLNS.CT,
		'xmlns:xsd': XMLNS.xsd,
		'xmlns:xsi': XMLNS.xsi
	});

	var CTYPE_DEFAULTS = [
		['xml', 'application/xml'],
		['bin', 'application/vnd.ms-excel.sheet.binary.macroEnabled.main'],
		['vml', 'application/vnd.openxmlformats-officedocument.vmlDrawing'],
		['data', 'application/vnd.openxmlformats-officedocument.model+data'],
		/* from test files */
		['bmp', 'image/bmp'],
		['png', 'image/png'],
		['gif', 'image/gif'],
		['emf', 'image/x-emf'],
		['wmf', 'image/x-wmf'],
		['jpg', 'image/jpeg'], ['jpeg', 'image/jpeg'],
		['tif', 'image/tiff'], ['tiff', 'image/tiff'],
		['pdf', 'application/pdf'],
		['rels', type2ct.rels[0]]
	].map(function (x) {
		return writextag('Default', null, { 'Extension': x[0], 'ContentType': x[1] });
	});

	function write_ct(ct, opts) {
		var o = [], v;
		o[o.length] = (XML_HEADER);
		o[o.length] = (CTYPE_XML_ROOT);
		o = o.concat(CTYPE_DEFAULTS);

		/* only write first instance */
		var f1 = function (w) {
			if (ct[w] && ct[w].length > 0) {
				v = ct[w][0];
				o[o.length] = (writextag('Override', null, {
					'PartName': (v[0] == '/' ? "" : "/") + v,
					'ContentType': CT_LIST[w][opts.bookType || 'xlsx']
				}));
			}
		};

		/* book type-specific */
		var f2 = function (w) {
			(ct[w] || []).forEach(function (v) {
				o[o.length] = (writextag('Override', null, {
					'PartName': (v[0] == '/' ? "" : "/") + v,
					'ContentType': CT_LIST[w][opts.bookType || 'xlsx']
				}));
			});
		};

		/* standard type */
		var f3 = function (t) {
			(ct[t] || []).forEach(function (v) {
				o[o.length] = (writextag('Override', null, {
					'PartName': (v[0] == '/' ? "" : "/") + v,
					'ContentType': type2ct[t][0]
				}));
			});
		};

		f1('workbooks');
		f2('sheets');
		f2('charts');
		f3('themes');
		['strs', 'styles'].forEach(f1);
		['coreprops', 'extprops', 'custprops'].forEach(f3);
		f3('vba');
		f3('comments');
		f3('drawings');
		if (o.length > 2) { o[o.length] = ('</Types>'); o[1] = o[1].replace("/>", ">"); }
		return o.join("");
	}
	/* 9.3 Relationships */
	var RELS = ({
		WB: "http://schemas.openxmlformats.org/officeDocument/2006/relationships/officeDocument",
		SHEET: "http://sheetjs.openxmlformats.org/officeDocument/2006/relationships/officeDocument",
		HLINK: "http://schemas.openxmlformats.org/officeDocument/2006/relationships/hyperlink",
		VML: "http://schemas.openxmlformats.org/officeDocument/2006/relationships/vmlDrawing",
		XPATH: "http://schemas.openxmlformats.org/officeDocument/2006/relationships/externalLinkPath",
		XMISS: "http://schemas.microsoft.com/office/2006/relationships/xlExternalLinkPath/xlPathMissing",
		XLINK: "http://schemas.openxmlformats.org/officeDocument/2006/relationships/externalLink",
		VBA: "http://schemas.microsoft.com/office/2006/relationships/vbaProject"
	});

	/* 9.3.3 Representing Relationships */
	function get_rels_path(file) {
		var n = file.lastIndexOf("/");
		return file.slice(0, n + 1) + '_rels/' + file.slice(n + 1) + ".rels";
	}

	function parse_rels(data, currentFilePath) {
		var rels = { "!id": {} };
		if (!data) return rels;
		if (currentFilePath.charAt(0) !== '/') {
			currentFilePath = '/' + currentFilePath;
		}
		var hash = {};

		(data.match(tagregex) || []).forEach(function (x) {
			var y = parsexmltag(x);
			/* 9.3.2.2 OPC_Relationships */
			if (y[0] === '<Relationship') {
				var rel = {}; rel.Type = y.Type; rel.Target = y.Target; rel.Id = y.Id; rel.TargetMode = y.TargetMode;
				var canonictarget = y.TargetMode === 'External' ? y.Target : resolve_path(y.Target, currentFilePath);
				rels[canonictarget] = rel;
				hash[y.Id] = rel;
			}
		});
		rels["!id"] = hash;
		return rels;
	}

	XMLNS.RELS = 'http://schemas.openxmlformats.org/package/2006/relationships';

	var RELS_ROOT = writextag('Relationships', null, {
		//'xmlns:ns0': XMLNS.RELS,
		'xmlns': XMLNS.RELS
	});

	/* TODO */
	function write_rels(rels) {
		var o = [XML_HEADER, RELS_ROOT];
		keys(rels['!id']).forEach(function (rid) {
			o[o.length] = (writextag('Relationship', null, rels['!id'][rid]));
		});
		if (o.length > 2) { o[o.length] = ('</Relationships>'); o[1] = o[1].replace("/>", ">"); }
		return o.join("");
	}

	var RELS_EXTERN = [RELS.HLINK, RELS.XPATH, RELS.XMISS];
	function add_rels(rels, rId, f, type, relobj, targetmode) {
		if (!relobj) relobj = {};
		if (!rels['!id']) rels['!id'] = {};
		if (rId < 0) for (rId = 1; rels['!id']['rId' + rId]; ++rId) {/* empty */ }
		relobj.Id = 'rId' + rId;
		relobj.Type = type;
		relobj.Target = f;
		if (targetmode) relobj.TargetMode = targetmode;
		else if (RELS_EXTERN.indexOf(relobj.Type) > -1) relobj.TargetMode = "External";
		if (rels['!id'][relobj.Id]) throw new Error("Cannot rewrite rId " + rId);
		rels['!id'][relobj.Id] = relobj;
		rels[('/' + relobj.Target).replace("//", "/")] = relobj;
		return rId;
	}
	/* Open Document Format for Office Applications (OpenDocument) Version 1.2 */
	/* Part 3 Section 4 Manifest File */
	var CT_ODS = "application/vnd.oasis.opendocument.spreadsheet";
	function parse_manifest(d, opts) {
		var str = xlml_normalize(d);
		var Rn;
		var FEtag;
		while ((Rn = xlmlregex.exec(str))) switch (Rn[3]) {
			case 'manifest': break; // 4.2 <manifest:manifest>
			case 'file-entry': // 4.3 <manifest:file-entry>
				FEtag = parsexmltag(Rn[0], false);
				if (FEtag.path == '/' && FEtag.type !== CT_ODS) throw new Error("This OpenDocument is not a spreadsheet");
				break;
			case 'encryption-data': // 4.4 <manifest:encryption-data>
			case 'algorithm': // 4.5 <manifest:algorithm>
			case 'start-key-generation': // 4.6 <manifest:start-key-generation>
			case 'key-derivation': // 4.7 <manifest:key-derivation>
				throw new Error("Unsupported ODS Encryption");
			default: if (opts && opts.WTF) throw Rn;
		}
	}

	function write_manifest(manifest) {
		var o = [XML_HEADER];
		o.push('<manifest:manifest xmlns:manifest="urn:oasis:names:tc:opendocument:xmlns:manifest:1.0" manifest:version="1.2">\n');
		o.push('  <manifest:file-entry manifest:full-path="/" manifest:version="1.2" manifest:media-type="application/vnd.oasis.opendocument.spreadsheet"/>\n');
		for (var i = 0; i < manifest.length; ++i) o.push('  <manifest:file-entry manifest:full-path="' + manifest[i][0] + '" manifest:media-type="' + manifest[i][1] + '"/>\n');
		o.push('</manifest:manifest>');
		return o.join("");
	}

	/* Part 3 Section 6 Metadata Manifest File */
	function write_rdf_type(file, res, tag) {
		return [
			'  <rdf:Description rdf:about="' + file + '">\n',
			'    <rdf:type rdf:resource="http://docs.oasis-open.org/ns/office/1.2/meta/' + (tag || "odf") + '#' + res + '"/>\n',
			'  </rdf:Description>\n'
		].join("");
	}
	function write_rdf_has(base, file) {
		return [
			'  <rdf:Description rdf:about="' + base + '">\n',
			'    <ns0:hasPart xmlns:ns0="http://docs.oasis-open.org/ns/office/1.2/meta/pkg#" rdf:resource="' + file + '"/>\n',
			'  </rdf:Description>\n'
		].join("");
	}
	function write_rdf(rdf) {
		var o = [XML_HEADER];
		o.push('<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">\n');
		for (var i = 0; i != rdf.length; ++i) {
			o.push(write_rdf_type(rdf[i][0], rdf[i][1]));
			o.push(write_rdf_has("", rdf[i][0]));
		}
		o.push(write_rdf_type("", "Document", "pkg"));
		o.push('</rdf:RDF>');
		return o.join("");
	}
	/* TODO: pull properties */
	var write_meta_ods = (function () {
		var payload = '<?xml version="1.0" encoding="UTF-8" standalone="yes"?><office:document-meta xmlns:office="urn:oasis:names:tc:opendocument:xmlns:office:1.0" xmlns:meta="urn:oasis:names:tc:opendocument:xmlns:meta:1.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xlink="http://www.w3.org/1999/xlink" office:version="1.2"><office:meta><meta:generator>Sheet' + 'JS ' + XLSX.version + '</meta:generator></office:meta></office:document-meta>';
		return function wmo() {
			return payload;
		};
	})();

	/* ECMA-376 Part II 11.1 Core Properties Part */
	/* [MS-OSHARED] 2.3.3.2.[1-2].1 (PIDSI/PIDDSI) */
	var CORE_PROPS = [
		["cp:category", "Category"],
		["cp:contentStatus", "ContentStatus"],
		["cp:keywords", "Keywords"],
		["cp:lastModifiedBy", "LastAuthor"],
		["cp:lastPrinted", "LastPrinted"],
		["cp:revision", "RevNumber"],
		["cp:version", "Version"],
		["dc:creator", "Author"],
		["dc:description", "Comments"],
		["dc:identifier", "Identifier"],
		["dc:language", "Language"],
		["dc:subject", "Subject"],
		["dc:title", "Title"],
		["dcterms:created", "CreatedDate", 'date'],
		["dcterms:modified", "ModifiedDate", 'date']
	];

	XMLNS.CORE_PROPS = "http://schemas.openxmlformats.org/package/2006/metadata/core-properties";
	RELS.CORE_PROPS = 'http://schemas.openxmlformats.org/package/2006/relationships/metadata/core-properties';

	var CORE_PROPS_REGEX = (function () {
		var r = new Array(CORE_PROPS.length);
		for (var i = 0; i < CORE_PROPS.length; ++i) {
			var f = CORE_PROPS[i];
			var g = "(?:" + f[0].slice(0, f[0].indexOf(":")) + ":)" + f[0].slice(f[0].indexOf(":") + 1);
			r[i] = new RegExp("<" + g + "[^>]*>([\\s\\S]*?)<\/" + g + ">");
		}
		return r;
	})();

	function parse_core_props(data) {
		var p = {};
		data = utf8read(data);

		for (var i = 0; i < CORE_PROPS.length; ++i) {
			var f = CORE_PROPS[i], cur = data.match(CORE_PROPS_REGEX[i]);
			if (cur != null && cur.length > 0) p[f[1]] = unescapexml(cur[1]);
			if (f[2] === 'date' && p[f[1]]) p[f[1]] = parseDate(p[f[1]]);
		}

		return p;
	}

	var CORE_PROPS_XML_ROOT = writextag('cp:coreProperties', null, {
		//'xmlns': XMLNS.CORE_PROPS,
		'xmlns:cp': XMLNS.CORE_PROPS,
		'xmlns:dc': XMLNS.dc,
		'xmlns:dcterms': XMLNS.dcterms,
		'xmlns:dcmitype': XMLNS.dcmitype,
		'xmlns:xsi': XMLNS.xsi
	});

	function cp_doit(f, g, h, o, p) {
		if (p[f] != null || g == null || g === "") return;
		p[f] = g;
		g = escapexml(g);
		o[o.length] = (h ? writextag(f, g, h) : writetag(f, g));
	}

	function write_core_props(cp, _opts) {
		var opts = _opts || {};
		var o = [XML_HEADER, CORE_PROPS_XML_ROOT], p = {};
		if (!cp && !opts.Props) return o.join("");

		if (cp) {
			if (cp.CreatedDate != null) cp_doit("dcterms:created", typeof cp.CreatedDate === "string" ? cp.CreatedDate : write_w3cdtf(cp.CreatedDate, opts.WTF), { "xsi:type": "dcterms:W3CDTF" }, o, p);
			if (cp.ModifiedDate != null) cp_doit("dcterms:modified", typeof cp.ModifiedDate === "string" ? cp.ModifiedDate : write_w3cdtf(cp.ModifiedDate, opts.WTF), { "xsi:type": "dcterms:W3CDTF" }, o, p);
		}

		for (var i = 0; i != CORE_PROPS.length; ++i) {
			var f = CORE_PROPS[i];
			var v = opts.Props && opts.Props[f[1]] != null ? opts.Props[f[1]] : cp ? cp[f[1]] : null;
			if (v === true) v = "1";
			else if (v === false) v = "0";
			else if (typeof v == "number") v = String(v);
			if (v != null) cp_doit(f[0], v, null, o, p);
		}
		if (o.length > 2) { o[o.length] = ('</cp:coreProperties>'); o[1] = o[1].replace("/>", ">"); }
		return o.join("");
	}
	/* 15.2.12.3 Extended File Properties Part */
	/* [MS-OSHARED] 2.3.3.2.[1-2].1 (PIDSI/PIDDSI) */
	var EXT_PROPS = [
		["Application", "Application", "string"],
		["AppVersion", "AppVersion", "string"],
		["Company", "Company", "string"],
		["DocSecurity", "DocSecurity", "string"],
		["Manager", "Manager", "string"],
		["HyperlinksChanged", "HyperlinksChanged", "bool"],
		["SharedDoc", "SharedDoc", "bool"],
		["LinksUpToDate", "LinksUpToDate", "bool"],
		["ScaleCrop", "ScaleCrop", "bool"],
		["HeadingPairs", "HeadingPairs", "raw"],
		["TitlesOfParts", "TitlesOfParts", "raw"]
	];

	XMLNS.EXT_PROPS = "http://schemas.openxmlformats.org/officeDocument/2006/extended-properties";
	RELS.EXT_PROPS = 'http://schemas.openxmlformats.org/officeDocument/2006/relationships/extended-properties';

	var PseudoPropsPairs = [
		"Worksheets", "SheetNames",
		"NamedRanges", "DefinedNames",
		"Chartsheets", "ChartNames"
	];
	function load_props_pairs(HP, TOP, props, opts) {
		var v = [];
		if (typeof HP == "string") v = parseVector(HP, opts);
		else for (var j = 0; j < HP.length; ++j) v = v.concat(HP[j].map(function (hp) { return { v: hp }; }));
		var parts = (typeof TOP == "string") ? parseVector(TOP, opts).map(function (x) { return x.v; }) : TOP;
		var idx = 0, len = 0;
		if (parts.length > 0) for (var i = 0; i !== v.length; i += 2) {
			len = +(v[i + 1].v);
			switch (v[i].v) {
				case "Worksheets":
				case "工作表":
				case "Листы":
				case "أوراق العمل":
				case "ワークシート":
				case "גליונות עבודה":
				case "Arbeitsblätter":
				case "Çalışma Sayfaları":
				case "Feuilles de calcul":
				case "Fogli di lavoro":
				case "Folhas de cálculo":
				case "Planilhas":
				case "Regneark":
				case "Hojas de cálculo":
				case "Werkbladen":
					props.Worksheets = len;
					props.SheetNames = parts.slice(idx, idx + len);
					break;

				case "Named Ranges":
				case "Rangos con nombre":
				case "名前付き一覧":
				case "Benannte Bereiche":
				case "Navngivne områder":
					props.NamedRanges = len;
					props.DefinedNames = parts.slice(idx, idx + len);
					break;

				case "Charts":
				case "Diagramme":
					props.Chartsheets = len;
					props.ChartNames = parts.slice(idx, idx + len);
					break;
			}
			idx += len;
		}
	}

	function parse_ext_props(data, p, opts) {
		var q = {}; if (!p) p = {};
		data = utf8read(data);

		EXT_PROPS.forEach(function (f) {
			var xml = (data.match(matchtag(f[0])) || [])[1];
			switch (f[2]) {
				case "string": p[f[1]] = unescapexml(xml || ""); break;
				case "bool": p[f[1]] = xml === "true"; break;
				case "raw":
					var cur = data.match(new RegExp("<" + f[0] + "[^>]*>([\\s\\S]*?)<\/" + f[0] + ">"));
					if (cur && cur.length > 0) q[f[1]] = cur[1];
					break;
			}
		});

		if (q.HeadingPairs && q.TitlesOfParts) load_props_pairs(q.HeadingPairs, q.TitlesOfParts, p, opts);

		return p;
	}

	var EXT_PROPS_XML_ROOT = writextag('Properties', null, {
		'xmlns': XMLNS.EXT_PROPS,
		'xmlns:vt': XMLNS.vt
	});

	function write_ext_props(cp) {
		var o = [], W = writextag;
		if (!cp) cp = {};
		cp.Application = "SheetJS";
		o[o.length] = (XML_HEADER);
		o[o.length] = (EXT_PROPS_XML_ROOT);

		EXT_PROPS.forEach(function (f) {
			if (cp[f[1]] === undefined) return;
			var v;
			switch (f[2]) {
				case 'string': v = escapexml(String(cp[f[1]])); break;
				case 'bool': v = cp[f[1]] ? 'true' : 'false'; break;
			}
			if (v !== undefined) o[o.length] = (W(f[0], v));
		});

		/* TODO: HeadingPairs, TitlesOfParts */
		o[o.length] = (W('HeadingPairs', W('vt:vector', W('vt:variant', '<vt:lpstr>Worksheets</vt:lpstr>') + W('vt:variant', W('vt:i4', String(cp.Worksheets))), { size: 2, baseType: "variant" })));
		o[o.length] = (W('TitlesOfParts', W('vt:vector', cp.SheetNames.map(function (s) { return "<vt:lpstr>" + escapexml(s) + "</vt:lpstr>"; }).join(""), { size: cp.Worksheets, baseType: "lpstr" })));
		if (o.length > 2) { o[o.length] = ('</Properties>'); o[1] = o[1].replace("/>", ">"); }
		return o.join("");
	}
	/* 15.2.12.2 Custom File Properties Part */
	XMLNS.CUST_PROPS = "http://schemas.openxmlformats.org/officeDocument/2006/custom-properties";
	RELS.CUST_PROPS = 'http://schemas.openxmlformats.org/officeDocument/2006/relationships/custom-properties';

	var custregex = /<[^>]+>[^<]*/g;
	function parse_cust_props(data, opts) {
		var p = {}, name = "";
		var m = data.match(custregex);
		if (m) for (var i = 0; i != m.length; ++i) {
			var x = m[i], y = parsexmltag(x);
			switch (y[0]) {
				case '<?xml': break;
				case '<Properties': break;
				case '<property': name = unescapexml(y.name); break;
				case '</property>': name = null; break;
				default: if (x.indexOf('<vt:') === 0) {
					var toks = x.split('>');
					var type = toks[0].slice(4), text = toks[1];
					/* 22.4.2.32 (CT_Variant). Omit the binary types from 22.4 (Variant Types) */
					switch (type) {
						case 'lpstr': case 'bstr': case 'lpwstr':
							p[name] = unescapexml(text);
							break;
						case 'bool':
							p[name] = parsexmlbool(text);
							break;
						case 'i1': case 'i2': case 'i4': case 'i8': case 'int': case 'uint':
							p[name] = parseInt(text, 10);
							break;
						case 'r4': case 'r8': case 'decimal':
							p[name] = parseFloat(text);
							break;
						case 'filetime': case 'date':
							p[name] = parseDate(text);
							break;
						case 'cy': case 'error':
							p[name] = unescapexml(text);
							break;
						default:
							if (type.slice(-1) == '/') break;
							if (opts.WTF && typeof console !== 'undefined') console.warn('Unexpected', x, type, toks);
					}
				} else if (x.slice(0, 2) === "</") {/* empty */
				} else if (opts.WTF) throw new Error(x);
			}
		}
		return p;
	}

	var CUST_PROPS_XML_ROOT = writextag('Properties', null, {
		'xmlns': XMLNS.CUST_PROPS,
		'xmlns:vt': XMLNS.vt
	});

	function write_cust_props(cp) {
		var o = [XML_HEADER, CUST_PROPS_XML_ROOT];
		if (!cp) return o.join("");
		var pid = 1;
		keys(cp).forEach(function custprop(k) {
			++pid;
			o[o.length] = (writextag('property', write_vt(cp[k]), {
				'fmtid': '{D5CDD505-2E9C-101B-9397-08002B2CF9AE}',
				'pid': pid,
				'name': escapexml(k)
			}));
		});
		if (o.length > 2) { o[o.length] = '</Properties>'; o[1] = o[1].replace("/>", ">"); }
		return o.join("");
	}
	/* Common Name -> XLML Name */
	var XLMLDocPropsMap = {
		Title: 'Title',
		Subject: 'Subject',
		Author: 'Author',
		Keywords: 'Keywords',
		Comments: 'Description',
		LastAuthor: 'LastAuthor',
		RevNumber: 'Revision',
		Application: 'AppName',
		/* TotalTime: 'TotalTime', */
		LastPrinted: 'LastPrinted',
		CreatedDate: 'Created',
		ModifiedDate: 'LastSaved',
		/* Pages */
		/* Words */
		/* Characters */
		Category: 'Category',
		/* PresentationFormat */
		Manager: 'Manager',
		Company: 'Company',
		/* Guid */
		/* HyperlinkBase */
		/* Bytes */
		/* Lines */
		/* Paragraphs */
		/* CharactersWithSpaces */
		AppVersion: 'Version',

		ContentStatus: 'ContentStatus', /* NOTE: missing from schema */
		Identifier: 'Identifier', /* NOTE: missing from schema */
		Language: 'Language' /* NOTE: missing from schema */
	};
	var evert_XLMLDPM = evert(XLMLDocPropsMap);

	function xlml_set_prop(Props, tag, val) {
		tag = evert_XLMLDPM[tag] || tag;
		Props[tag] = val;
	}

	function xlml_write_docprops(Props, opts) {
		var o = [];
		keys(XLMLDocPropsMap).map(function (m) {
			for (var i = 0; i < CORE_PROPS.length; ++i) if (CORE_PROPS[i][1] == m) return CORE_PROPS[i];
			for (i = 0; i < EXT_PROPS.length; ++i) if (EXT_PROPS[i][1] == m) return EXT_PROPS[i];
			throw m;
		}).forEach(function (p) {
			if (Props[p[1]] == null) return;
			var m = opts && opts.Props && opts.Props[p[1]] != null ? opts.Props[p[1]] : Props[p[1]];
			switch (p[2]) {
				case 'date': m = new Date(m).toISOString().replace(/\.\d*Z/, "Z"); break;
			}
			if (typeof m == 'number') m = String(m);
			else if (m === true || m === false) { m = m ? "1" : "0"; }
			else if (m instanceof Date) m = new Date(m).toISOString().replace(/\.\d*Z/, "");
			o.push(writetag(XLMLDocPropsMap[p[1]] || p[1], m));
		});
		return writextag('DocumentProperties', o.join(""), { xmlns: XLMLNS.o });
	}
	function xlml_write_custprops(Props, Custprops) {
		var BLACKLIST = ["Worksheets", "SheetNames"];
		var T = 'CustomDocumentProperties';
		var o = [];
		if (Props) keys(Props).forEach(function (k) {
			if (!Props.hasOwnProperty(k)) return;
			for (var i = 0; i < CORE_PROPS.length; ++i) if (k == CORE_PROPS[i][1]) return;
			for (i = 0; i < EXT_PROPS.length; ++i) if (k == EXT_PROPS[i][1]) return;
			for (i = 0; i < BLACKLIST.length; ++i) if (k == BLACKLIST[i]) return;

			var m = Props[k];
			var t = "string";
			if (typeof m == 'number') { t = "float"; m = String(m); }
			else if (m === true || m === false) { t = "boolean"; m = m ? "1" : "0"; }
			else m = String(m);
			o.push(writextag(escapexmltag(k), m, { "dt:dt": t }));
		});
		if (Custprops) keys(Custprops).forEach(function (k) {
			if (!Custprops.hasOwnProperty(k)) return;
			if (Props && Props.hasOwnProperty(k)) return;
			var m = Custprops[k];
			var t = "string";
			if (typeof m == 'number') { t = "float"; m = String(m); }
			else if (m === true || m === false) { t = "boolean"; m = m ? "1" : "0"; }
			else if (m instanceof Date) { t = "dateTime.tz"; m = m.toISOString(); }
			else m = String(m);
			o.push(writextag(escapexmltag(k), m, { "dt:dt": t }));
		});
		return '<' + T + ' xmlns="' + XLMLNS.o + '">' + o.join("") + '</' + T + '>';
	}
	/* [MS-DTYP] 2.3.3 FILETIME */
	/* [MS-OLEDS] 2.1.3 FILETIME (Packet Version) */
	/* [MS-OLEPS] 2.8 FILETIME (Packet Version) */
	function parse_FILETIME(blob) {
		var dwLowDateTime = blob.read_shift(4), dwHighDateTime = blob.read_shift(4);
		return new Date(((dwHighDateTime / 1e7 * Math.pow(2, 32) + dwLowDateTime / 1e7) - 11644473600) * 1000).toISOString().replace(/\.000/, "");
	}
	function write_FILETIME(time) {
		var date = (typeof time == "string") ? new Date(Date.parse(time)) : time;
		var t = date.getTime() / 1000 + 11644473600;
		var l = t % Math.pow(2, 32), h = (t - l) / Math.pow(2, 32);
		l *= 1e7; h *= 1e7;
		var w = (l / Math.pow(2, 32)) | 0;
		if (w > 0) { l = l % Math.pow(2, 32); h += w; }
		var o = new_buf(8); o.write_shift(4, l); o.write_shift(4, h); return o;
	}

	/* [MS-OSHARED] 2.3.3.1.4 Lpstr */
	function parse_lpstr(blob, type, pad) {
		var start = blob.l;
		var str = blob.read_shift(0, 'lpstr-cp');
		if (pad) while ((blob.l - start) & 3) ++blob.l;
		return str;
	}

	/* [MS-OSHARED] 2.3.3.1.6 Lpwstr */
	function parse_lpwstr(blob, type, pad) {
		var str = blob.read_shift(0, 'lpwstr');
		if (pad) blob.l += (4 - ((str.length + 1) & 3)) & 3;
		return str;
	}


	/* [MS-OSHARED] 2.3.3.1.11 VtString */
	/* [MS-OSHARED] 2.3.3.1.12 VtUnalignedString */
	function parse_VtStringBase(blob, stringType, pad) {
		if (stringType === 0x1F /*VT_LPWSTR*/) return parse_lpwstr(blob);
		return parse_lpstr(blob, stringType, pad);
	}

	function parse_VtString(blob, t, pad) { return parse_VtStringBase(blob, t, pad === false ? 0 : 4); }
	function parse_VtUnalignedString(blob, t) { if (!t) throw new Error("VtUnalignedString must have positive length"); return parse_VtStringBase(blob, t, 0); }

	/* [MS-OSHARED] 2.3.3.1.9 VtVecUnalignedLpstrValue */
	function parse_VtVecUnalignedLpstrValue(blob) {
		var length = blob.read_shift(4);
		var ret = [];
		for (var i = 0; i != length; ++i) ret[i] = blob.read_shift(0, 'lpstr-cp').replace(chr0, '');
		return ret;
	}

	/* [MS-OSHARED] 2.3.3.1.10 VtVecUnalignedLpstr */
	function parse_VtVecUnalignedLpstr(blob) {
		return parse_VtVecUnalignedLpstrValue(blob);
	}

	/* [MS-OSHARED] 2.3.3.1.13 VtHeadingPair */
	function parse_VtHeadingPair(blob) {
		var headingString = parse_TypedPropertyValue(blob, VT_USTR);
		var headerParts = parse_TypedPropertyValue(blob, VT_I4);
		return [headingString, headerParts];
	}

	/* [MS-OSHARED] 2.3.3.1.14 VtVecHeadingPairValue */
	function parse_VtVecHeadingPairValue(blob) {
		var cElements = blob.read_shift(4);
		var out = [];
		for (var i = 0; i != cElements / 2; ++i) out.push(parse_VtHeadingPair(blob));
		return out;
	}

	/* [MS-OSHARED] 2.3.3.1.15 VtVecHeadingPair */
	function parse_VtVecHeadingPair(blob) {
		// NOTE: When invoked, wType & padding were already consumed
		return parse_VtVecHeadingPairValue(blob);
	}

	/* [MS-OLEPS] 2.18.1 Dictionary (uses 2.17, 2.16) */
	function parse_dictionary(blob, CodePage) {
		var cnt = blob.read_shift(4);
		var dict = ({});
		for (var j = 0; j != cnt; ++j) {
			var pid = blob.read_shift(4);
			var len = blob.read_shift(4);
			dict[pid] = blob.read_shift(len, (CodePage === 0x4B0 ? 'utf16le' : 'utf8')).replace(chr0, '').replace(chr1, '!');
			if (CodePage === 0x4B0 && (len % 2)) blob.l += 2;
		}
		if (blob.l & 3) blob.l = (blob.l >> 2 + 1) << 2;
		return dict;
	}

	/* [MS-OLEPS] 2.9 BLOB */
	function parse_BLOB(blob) {
		var size = blob.read_shift(4);
		var bytes = blob.slice(blob.l, blob.l + size);
		blob.l += size;
		if ((size & 3) > 0) blob.l += (4 - (size & 3)) & 3;
		return bytes;
	}

	/* [MS-OLEPS] 2.11 ClipboardData */
	function parse_ClipboardData(blob) {
		// TODO
		var o = {};
		o.Size = blob.read_shift(4);
		//o.Format = blob.read_shift(4);
		blob.l += o.Size + 3 - (o.Size - 1) % 4;
		return o;
	}

	/* [MS-OLEPS] 2.15 TypedPropertyValue */
	function parse_TypedPropertyValue(blob, type, _opts) {
		var t = blob.read_shift(2), ret, opts = _opts || {};
		blob.l += 2;
		if (type !== VT_VARIANT)
			if (t !== type && VT_CUSTOM.indexOf(type) === -1) throw new Error('Expected type ' + type + ' saw ' + t);
		switch (type === VT_VARIANT ? t : type) {
			case 0x02 /*VT_I2*/: ret = blob.read_shift(2, 'i'); if (!opts.raw) blob.l += 2; return ret;
			case 0x03 /*VT_I4*/: ret = blob.read_shift(4, 'i'); return ret;
			case 0x0B /*VT_BOOL*/: return blob.read_shift(4) !== 0x0;
			case 0x13 /*VT_UI4*/: ret = blob.read_shift(4); return ret;
			case 0x1E /*VT_LPSTR*/: return parse_lpstr(blob, t, 4).replace(chr0, '');
			case 0x1F /*VT_LPWSTR*/: return parse_lpwstr(blob);
			case 0x40 /*VT_FILETIME*/: return parse_FILETIME(blob);
			case 0x41 /*VT_BLOB*/: return parse_BLOB(blob);
			case 0x47 /*VT_CF*/: return parse_ClipboardData(blob);
			case 0x50 /*VT_STRING*/: return parse_VtString(blob, t, !opts.raw).replace(chr0, '');
			case 0x51 /*VT_USTR*/: return parse_VtUnalignedString(blob, t/*, 4*/).replace(chr0, '');
			case 0x100C /*VT_VECTOR|VT_VARIANT*/: return parse_VtVecHeadingPair(blob);
			case 0x101E /*VT_LPSTR*/: return parse_VtVecUnalignedLpstr(blob);
			default: throw new Error("TypedPropertyValue unrecognized type " + type + " " + t);
		}
	}
	function write_TypedPropertyValue(type, value) {
		var o = new_buf(4), p = new_buf(4);
		o.write_shift(4, type == 0x50 ? 0x1F : type);
		switch (type) {
			case 0x03 /*VT_I4*/: p.write_shift(-4, value); break;
			case 0x05 /*VT_I4*/: p = new_buf(8); p.write_shift(8, value, 'f'); break;
			case 0x0B /*VT_BOOL*/: p.write_shift(4, value ? 0x01 : 0x00); break;
			case 0x40 /*VT_FILETIME*/: p = write_FILETIME(value); break;
			case 0x1F /*VT_LPWSTR*/:
			case 0x50 /*VT_STRING*/:
				p = new_buf(4 + 2 * (value.length + 1) + (value.length % 2 ? 0 : 2));
				p.write_shift(4, value.length + 1);
				p.write_shift(0, value, "dbcs");
				while (p.l != p.length) p.write_shift(1, 0);
				break;
			default: throw new Error("TypedPropertyValue unrecognized type " + type + " " + value);
		}
		return bconcat([o, p]);
	}

	/* [MS-OLEPS] 2.20 PropertySet */
	function parse_PropertySet(blob, PIDSI) {
		var start_addr = blob.l;
		var size = blob.read_shift(4);
		var NumProps = blob.read_shift(4);
		var Props = [], i = 0;
		var CodePage = 0;
		var Dictionary = -1, DictObj = ({});
		for (i = 0; i != NumProps; ++i) {
			var PropID = blob.read_shift(4);
			var Offset = blob.read_shift(4);
			Props[i] = [PropID, Offset + start_addr];
		}
		Props.sort(function (x, y) { return x[1] - y[1]; });
		var PropH = {};
		for (i = 0; i != NumProps; ++i) {
			if (blob.l !== Props[i][1]) {
				var fail = true;
				if (i > 0 && PIDSI) switch (PIDSI[Props[i - 1][0]].t) {
					case 0x02 /*VT_I2*/: if (blob.l + 2 === Props[i][1]) { blob.l += 2; fail = false; } break;
					case 0x50 /*VT_STRING*/: if (blob.l <= Props[i][1]) { blob.l = Props[i][1]; fail = false; } break;
					case 0x100C /*VT_VECTOR|VT_VARIANT*/: if (blob.l <= Props[i][1]) { blob.l = Props[i][1]; fail = false; } break;
				}
				if ((!PIDSI || i == 0) && blob.l <= Props[i][1]) { fail = false; blob.l = Props[i][1]; }
				if (fail) throw new Error("Read Error: Expected address " + Props[i][1] + ' at ' + blob.l + ' :' + i);
			}
			if (PIDSI) {
				var piddsi = PIDSI[Props[i][0]];
				PropH[piddsi.n] = parse_TypedPropertyValue(blob, piddsi.t, { raw: true });
				if (piddsi.p === 'version') PropH[piddsi.n] = String(PropH[piddsi.n] >> 16) + "." + ("0000" + String(PropH[piddsi.n] & 0xFFFF)).slice(-4);
				if (piddsi.n == "CodePage") switch (PropH[piddsi.n]) {
					case 0: PropH[piddsi.n] = 1252;
					/* falls through */
					case 874:
					case 932:
					case 936:
					case 949:
					case 950:
					case 1250:
					case 1251:
					case 1253:
					case 1254:
					case 1255:
					case 1256:
					case 1257:
					case 1258:
					case 10000:
					case 1200:
					case 1201:
					case 1252:
					case 65000: case -536:
					case 65001: case -535:
						set_cp(CodePage = (PropH[piddsi.n] >>> 0) & 0xFFFF); break;
					default: throw new Error("Unsupported CodePage: " + PropH[piddsi.n]);
				}
			} else {
				if (Props[i][0] === 0x1) {
					CodePage = PropH.CodePage = (parse_TypedPropertyValue(blob, VT_I2));
					set_cp(CodePage);
					if (Dictionary !== -1) {
						var oldpos = blob.l;
						blob.l = Props[Dictionary][1];
						DictObj = parse_dictionary(blob, CodePage);
						blob.l = oldpos;
					}
				} else if (Props[i][0] === 0) {
					if (CodePage === 0) { Dictionary = i; blob.l = Props[i + 1][1]; continue; }
					DictObj = parse_dictionary(blob, CodePage);
				} else {
					var name = DictObj[Props[i][0]];
					var val;
					/* [MS-OSHARED] 2.3.3.2.3.1.2 + PROPVARIANT */
					switch (blob[blob.l]) {
						case 0x41 /*VT_BLOB*/: blob.l += 4; val = parse_BLOB(blob); break;
						case 0x1E /*VT_LPSTR*/: blob.l += 4; val = parse_VtString(blob, blob[blob.l - 4]).replace(/\u0000+$/, ""); break;
						case 0x1F /*VT_LPWSTR*/: blob.l += 4; val = parse_VtString(blob, blob[blob.l - 4]).replace(/\u0000+$/, ""); break;
						case 0x03 /*VT_I4*/: blob.l += 4; val = blob.read_shift(4, 'i'); break;
						case 0x13 /*VT_UI4*/: blob.l += 4; val = blob.read_shift(4); break;
						case 0x05 /*VT_R8*/: blob.l += 4; val = blob.read_shift(8, 'f'); break;
						case 0x0B /*VT_BOOL*/: blob.l += 4; val = parsebool(blob, 4); break;
						case 0x40 /*VT_FILETIME*/: blob.l += 4; val = parseDate(parse_FILETIME(blob)); break;
						default: throw new Error("unparsed value: " + blob[blob.l]);
					}
					PropH[name] = val;
				}
			}
		}
		blob.l = start_addr + size; /* step ahead to skip padding */
		return PropH;
	}
	var XLSPSSkip = ["CodePage", "Thumbnail", "_PID_LINKBASE", "_PID_HLINKS", "SystemIdentifier", "FMTID"].concat(PseudoPropsPairs);
	function guess_property_type(val) {
		switch (typeof val) {
			case "boolean": return 0x0B;
			case "number": return ((val | 0) == val) ? 0x03 : 0x05;
			case "string": return 0x1F;
			case "object": if (val instanceof Date) return 0x40; break;
		}
		return -1;
	}
	function write_PropertySet(entries, RE, PIDSI) {
		var hdr = new_buf(8), piao = [], prop = [];
		var sz = 8, i = 0;

		var pr = new_buf(8), pio = new_buf(8);
		pr.write_shift(4, 0x0002);
		pr.write_shift(4, 0x04B0);
		pio.write_shift(4, 0x0001);
		prop.push(pr); piao.push(pio);
		sz += 8 + pr.length;

		if (!RE) {
			pio = new_buf(8);
			pio.write_shift(4, 0);
			piao.unshift(pio);

			var bufs = [new_buf(4)];
			bufs[0].write_shift(4, entries.length);
			for (i = 0; i < entries.length; ++i) {
				var value = entries[i][0];
				pr = new_buf(4 + 4 + 2 * (value.length + 1) + (value.length % 2 ? 0 : 2));
				pr.write_shift(4, i + 2);
				pr.write_shift(4, value.length + 1);
				pr.write_shift(0, value, "dbcs");
				while (pr.l != pr.length) pr.write_shift(1, 0);
				bufs.push(pr);
			}
			pr = bconcat(bufs);
			prop.unshift(pr);
			sz += 8 + pr.length;
		}

		for (i = 0; i < entries.length; ++i) {
			if (RE && !RE[entries[i][0]]) continue;
			if (XLSPSSkip.indexOf(entries[i][0]) > -1) continue;
			if (entries[i][1] == null) continue;

			var val = entries[i][1], idx = 0;
			if (RE) {
				idx = +RE[entries[i][0]];
				var pinfo = (PIDSI)[idx];
				if (pinfo.p == "version" && typeof val == "string") {
					var arr = val.split(".");
					val = ((+arr[0]) << 16) + ((+arr[1]) || 0);
				}
				pr = write_TypedPropertyValue(pinfo.t, val);
			} else {
				var T = guess_property_type(val);
				if (T == -1) { T = 0x1F; val = String(val); }
				pr = write_TypedPropertyValue(T, val);
			}
			prop.push(pr);

			pio = new_buf(8);
			pio.write_shift(4, !RE ? 2 + i : idx);
			piao.push(pio);

			sz += 8 + pr.length;
		}

		var w = 8 * (prop.length + 1);
		for (i = 0; i < prop.length; ++i) { piao[i].write_shift(4, w); w += prop[i].length; }
		hdr.write_shift(4, sz);
		hdr.write_shift(4, prop.length);
		return bconcat([hdr].concat(piao).concat(prop));
	}

	/* [MS-OLEPS] 2.21 PropertySetStream */
	function parse_PropertySetStream(file, PIDSI, clsid) {
		var blob = file.content;
		if (!blob) return ({});
		prep_blob(blob, 0);

		var NumSets, FMTID0, FMTID1, Offset0, Offset1 = 0;
		blob.chk('feff', 'Byte Order: ');

	/*var vers = */blob.read_shift(2); // TODO: check version
		var SystemIdentifier = blob.read_shift(4);
		var CLSID = blob.read_shift(16);
		if (CLSID !== CFB.utils.consts.HEADER_CLSID && CLSID !== clsid) throw new Error("Bad PropertySet CLSID " + CLSID);
		NumSets = blob.read_shift(4);
		if (NumSets !== 1 && NumSets !== 2) throw new Error("Unrecognized #Sets: " + NumSets);
		FMTID0 = blob.read_shift(16); Offset0 = blob.read_shift(4);

		if (NumSets === 1 && Offset0 !== blob.l) throw new Error("Length mismatch: " + Offset0 + " !== " + blob.l);
		else if (NumSets === 2) { FMTID1 = blob.read_shift(16); Offset1 = blob.read_shift(4); }
		var PSet0 = parse_PropertySet(blob, PIDSI);

		var rval = ({ SystemIdentifier: SystemIdentifier });
		for (var y in PSet0) rval[y] = PSet0[y];
		//rval.blob = blob;
		rval.FMTID = FMTID0;
		//rval.PSet0 = PSet0;
		if (NumSets === 1) return rval;
		if (Offset1 - blob.l == 2) blob.l += 2;
		if (blob.l !== Offset1) throw new Error("Length mismatch 2: " + blob.l + " !== " + Offset1);
		var PSet1;
		try { PSet1 = parse_PropertySet(blob, null); } catch (e) {/* empty */ }
		for (y in PSet1) rval[y] = PSet1[y];
		rval.FMTID = [FMTID0, FMTID1]; // TODO: verify FMTID0/1
		return rval;
	}
	function write_PropertySetStream(entries, clsid, RE, PIDSI, entries2, clsid2) {
		var hdr = new_buf(entries2 ? 68 : 48);
		var bufs = [hdr];
		hdr.write_shift(2, 0xFFFE);
		hdr.write_shift(2, 0x0000); /* TODO: type 1 props */
		hdr.write_shift(4, 0x32363237);
		hdr.write_shift(16, CFB.utils.consts.HEADER_CLSID, "hex");
		hdr.write_shift(4, (entries2 ? 2 : 1));
		hdr.write_shift(16, clsid, "hex");
		hdr.write_shift(4, (entries2 ? 68 : 48));
		var ps0 = write_PropertySet(entries, RE, PIDSI);
		bufs.push(ps0);

		if (entries2) {
			var ps1 = write_PropertySet(entries2, null, null);
			hdr.write_shift(16, clsid2, "hex");
			hdr.write_shift(4, 68 + ps0.length);
			bufs.push(ps1);
		}
		return bconcat(bufs);
	}

	function parsenoop2(blob, length) { blob.read_shift(length); return null; }
	function writezeroes(n, o) { if (!o) o = new_buf(n); for (var j = 0; j < n; ++j) o.write_shift(1, 0); return o; }

	function parslurp(blob, length, cb) {
		var arr = [], target = blob.l + length;
		while (blob.l < target) arr.push(cb(blob, target - blob.l));
		if (target !== blob.l) throw new Error("Slurp error");
		return arr;
	}

	function parsebool(blob, length) { return blob.read_shift(length) === 0x1; }
	function writebool(v, o) { if (!o) o = new_buf(2); o.write_shift(2, +!!v); return o; }

	function parseuint16(blob) { return blob.read_shift(2, 'u'); }
	function writeuint16(v, o) { if (!o) o = new_buf(2); o.write_shift(2, v); return o; }
	function parseuint16a(blob, length) { return parslurp(blob, length, parseuint16); }

	/* --- 2.5 Structures --- */

	/* [MS-XLS] 2.5.10 Bes (boolean or error) */
	function parse_Bes(blob) {
		var v = blob.read_shift(1), t = blob.read_shift(1);
		return t === 0x01 ? v : v === 0x01;
	}
	function write_Bes(v, t, o) {
		if (!o) o = new_buf(2);
		o.write_shift(1, +v);
		o.write_shift(1, ((t == 'e') ? 1 : 0));
		return o;
	}

	/* [MS-XLS] 2.5.240 ShortXLUnicodeString */
	function parse_ShortXLUnicodeString(blob, length, opts) {
		var cch = blob.read_shift(opts && opts.biff >= 12 ? 2 : 1);
		var encoding = 'sbcs-cont';
		var cp = current_codepage;
		if (opts && opts.biff >= 8) current_codepage = 1200;
		if (!opts || opts.biff == 8) {
			var fHighByte = blob.read_shift(1);
			if (fHighByte) { encoding = 'dbcs-cont'; }
		} else if (opts.biff == 12) {
			encoding = 'wstr';
		}
		if (opts.biff >= 2 && opts.biff <= 5) encoding = 'cpstr';
		var o = cch ? blob.read_shift(cch, encoding) : "";
		current_codepage = cp;
		return o;
	}

	/* 2.5.293 XLUnicodeRichExtendedString */
	function parse_XLUnicodeRichExtendedString(blob) {
		var cp = current_codepage;
		current_codepage = 1200;
		var cch = blob.read_shift(2), flags = blob.read_shift(1);
		var /*fHighByte = flags & 0x1,*/ fExtSt = flags & 0x4, fRichSt = flags & 0x8;
		var width = 1 + (flags & 0x1); // 0x0 -> utf8, 0x1 -> dbcs
		var cRun = 0, cbExtRst;
		var z = {};
		if (fRichSt) cRun = blob.read_shift(2);
		if (fExtSt) cbExtRst = blob.read_shift(4);
		var encoding = width == 2 ? 'dbcs-cont' : 'sbcs-cont';
		var msg = cch === 0 ? "" : blob.read_shift(cch, encoding);
		if (fRichSt) blob.l += 4 * cRun; //TODO: parse this
		if (fExtSt) blob.l += cbExtRst; //TODO: parse this
		z.t = msg;
		if (!fRichSt) { z.raw = "<t>" + z.t + "</t>"; z.r = z.t; }
		current_codepage = cp;
		return z;
	}

	/* 2.5.296 XLUnicodeStringNoCch */
	function parse_XLUnicodeStringNoCch(blob, cch, opts) {
		var retval;
		if (opts) {
			if (opts.biff >= 2 && opts.biff <= 5) return blob.read_shift(cch, 'cpstr');
			if (opts.biff >= 12) return blob.read_shift(cch, 'dbcs-cont');
		}
		var fHighByte = blob.read_shift(1);
		if (fHighByte === 0) { retval = blob.read_shift(cch, 'sbcs-cont'); }
		else { retval = blob.read_shift(cch, 'dbcs-cont'); }
		return retval;
	}

	/* 2.5.294 XLUnicodeString */
	function parse_XLUnicodeString(blob, length, opts) {
		var cch = blob.read_shift(opts && opts.biff == 2 ? 1 : 2);
		if (cch === 0) { blob.l++; return ""; }
		return parse_XLUnicodeStringNoCch(blob, cch, opts);
	}
	/* BIFF5 override */
	function parse_XLUnicodeString2(blob, length, opts) {
		if (opts.biff > 5) return parse_XLUnicodeString(blob, length, opts);
		var cch = blob.read_shift(1);
		if (cch === 0) { blob.l++; return ""; }
		return blob.read_shift(cch, (opts.biff <= 4 || !blob.lens) ? 'cpstr' : 'sbcs-cont');
	}
	/* TODO: BIFF5 and lower, codepage awareness */
	function write_XLUnicodeString(str, opts, o) {
		if (!o) o = new_buf(3 + 2 * str.length);
		o.write_shift(2, str.length);
		o.write_shift(1, 1);
		o.write_shift(31, str, 'utf16le');
		return o;
	}

	/* [MS-XLS] 2.5.61 ControlInfo */
	function parse_ControlInfo(blob) {
		var flags = blob.read_shift(1);
		blob.l++;
		var accel = blob.read_shift(2);
		blob.l += 2;
		return [flags, accel];
	}

	/* [MS-OSHARED] 2.3.7.6 URLMoniker TODO: flags */
	function parse_URLMoniker(blob) {
		var len = blob.read_shift(4), start = blob.l;
		var extra = false;
		if (len > 24) {
			/* look ahead */
			blob.l += len - 24;
			if (blob.read_shift(16) === "795881f43b1d7f48af2c825dc4852763") extra = true;
			blob.l = start;
		}
		var url = blob.read_shift((extra ? len - 24 : len) >> 1, 'utf16le').replace(chr0, "");
		if (extra) blob.l += 24;
		return url;
	}

	/* [MS-OSHARED] 2.3.7.8 FileMoniker TODO: all fields */
	function parse_FileMoniker(blob) {
		blob.l += 2; //var cAnti = blob.read_shift(2);
		var ansiPath = blob.read_shift(0, 'lpstr-ansi');
		blob.l += 2; //var endServer = blob.read_shift(2);
		if (blob.read_shift(2) != 0xDEAD) throw new Error("Bad FileMoniker");
		var sz = blob.read_shift(4);
		if (sz === 0) return ansiPath.replace(/\\/g, "/");
		var bytes = blob.read_shift(4);
		if (blob.read_shift(2) != 3) throw new Error("Bad FileMoniker");
		var unicodePath = blob.read_shift(bytes >> 1, 'utf16le').replace(chr0, "");
		return unicodePath;
	}

	/* [MS-OSHARED] 2.3.7.2 HyperlinkMoniker TODO: all the monikers */
	function parse_HyperlinkMoniker(blob, length) {
		var clsid = blob.read_shift(16); length -= 16;
		switch (clsid) {
			case "e0c9ea79f9bace118c8200aa004ba90b": return parse_URLMoniker(blob, length);
			case "0303000000000000c000000000000046": return parse_FileMoniker(blob, length);
			default: throw new Error("Unsupported Moniker " + clsid);
		}
	}

	/* [MS-OSHARED] 2.3.7.9 HyperlinkString */
	function parse_HyperlinkString(blob) {
		var len = blob.read_shift(4);
		var o = len > 0 ? blob.read_shift(len, 'utf16le').replace(chr0, "") : "";
		return o;
	}

	/* [MS-OSHARED] 2.3.7.1 Hyperlink Object */
	function parse_Hyperlink(blob, length) {
		var end = blob.l + length;
		var sVer = blob.read_shift(4);
		if (sVer !== 2) throw new Error("Unrecognized streamVersion: " + sVer);
		var flags = blob.read_shift(2);
		blob.l += 2;
		var displayName, targetFrameName, moniker, oleMoniker, Loc = "", guid, fileTime;
		if (flags & 0x0010) displayName = parse_HyperlinkString(blob, end - blob.l);
		if (flags & 0x0080) targetFrameName = parse_HyperlinkString(blob, end - blob.l);
		if ((flags & 0x0101) === 0x0101) moniker = parse_HyperlinkString(blob, end - blob.l);
		if ((flags & 0x0101) === 0x0001) oleMoniker = parse_HyperlinkMoniker(blob, end - blob.l);
		if (flags & 0x0008) Loc = parse_HyperlinkString(blob, end - blob.l);
		if (flags & 0x0020) guid = blob.read_shift(16);
		if (flags & 0x0040) fileTime = parse_FILETIME(blob/*, 8*/);
		blob.l = end;
		var target = targetFrameName || moniker || oleMoniker || "";
		if (target && Loc) target += "#" + Loc;
		if (!target) target = "#" + Loc;
		var out = ({ Target: target });
		if (guid) out.guid = guid;
		if (fileTime) out.time = fileTime;
		if (displayName) out.Tooltip = displayName;
		return out;
	}
	function write_Hyperlink(hl) {
		var out = new_buf(512), i = 0;
		var Target = hl.Target;
		var F = Target.indexOf("#") > -1 ? 0x1f : 0x17;
		switch (Target.charAt(0)) { case "#": F = 0x1c; break; case ".": F &= ~2; break; }
		out.write_shift(4, 2); out.write_shift(4, F);
		var data = [8, 6815827, 6619237, 4849780, 83]; for (i = 0; i < data.length; ++i) out.write_shift(4, data[i]);
		if (F == 0x1C) {
			Target = Target.slice(1);
			out.write_shift(4, Target.length + 1);
			for (i = 0; i < Target.length; ++i) out.write_shift(2, Target.charCodeAt(i));
			out.write_shift(2, 0);
		} else if (F & 0x02) {
			data = "e0 c9 ea 79 f9 ba ce 11 8c 82 00 aa 00 4b a9 0b".split(" ");
			for (i = 0; i < data.length; ++i) out.write_shift(1, parseInt(data[i], 16));
			out.write_shift(4, 2 * (Target.length + 1));
			for (i = 0; i < Target.length; ++i) out.write_shift(2, Target.charCodeAt(i));
			out.write_shift(2, 0);
		} else {
			data = "03 03 00 00 00 00 00 00 c0 00 00 00 00 00 00 46".split(" ");
			for (i = 0; i < data.length; ++i) out.write_shift(1, parseInt(data[i], 16));
			var P = 0;
			while (Target.slice(P * 3, P * 3 + 3) == "../" || Target.slice(P * 3, P * 3 + 3) == "..\\") ++P;
			out.write_shift(2, P);
			out.write_shift(4, Target.length + 1);
			for (i = 0; i < Target.length; ++i) out.write_shift(1, Target.charCodeAt(i) & 0xFF);
			out.write_shift(1, 0);
			out.write_shift(2, 0xFFFF);
			out.write_shift(2, 0xDEAD);
			for (i = 0; i < 6; ++i) out.write_shift(4, 0);
		}
		return out.slice(0, out.l);
	}

	/* 2.5.178 LongRGBA */
	function parse_LongRGBA(blob) { var r = blob.read_shift(1), g = blob.read_shift(1), b = blob.read_shift(1), a = blob.read_shift(1); return [r, g, b, a]; }

	/* 2.5.177 LongRGB */
	function parse_LongRGB(blob, length) { var x = parse_LongRGBA(blob, length); x[3] = 0; return x; }


	/* [MS-XLS] 2.5.19 */
	function parse_XLSCell(blob) {
		var rw = blob.read_shift(2); // 0-indexed
		var col = blob.read_shift(2);
		var ixfe = blob.read_shift(2);
		return ({ r: rw, c: col, ixfe: ixfe });
	}
	function write_XLSCell(R, C, ixfe, o) {
		if (!o) o = new_buf(6);
		o.write_shift(2, R);
		o.write_shift(2, C);
		o.write_shift(2, ixfe || 0);
		return o;
	}

	/* [MS-XLS] 2.5.134 */
	function parse_frtHeader(blob) {
		var rt = blob.read_shift(2);
		var flags = blob.read_shift(2); // TODO: parse these flags
		blob.l += 8;
		return { type: rt, flags: flags };
	}



	function parse_OptXLUnicodeString(blob, length, opts) { return length === 0 ? "" : parse_XLUnicodeString2(blob, length, opts); }

	/* [MS-XLS] 2.5.344 */
	function parse_XTI(blob, length, opts) {
		var w = opts.biff > 8 ? 4 : 2;
		var iSupBook = blob.read_shift(w), itabFirst = blob.read_shift(w, 'i'), itabLast = blob.read_shift(w, 'i');
		return [iSupBook, itabFirst, itabLast];
	}

	/* [MS-XLS] 2.5.218 */
	function parse_RkRec(blob) {
		var ixfe = blob.read_shift(2);
		var RK = parse_RkNumber(blob);
		return [ixfe, RK];
	}

	/* [MS-XLS] 2.5.1 */
	function parse_AddinUdf(blob, length, opts) {
		blob.l += 4; length -= 4;
		var l = blob.l + length;
		var udfName = parse_ShortXLUnicodeString(blob, length, opts);
		var cb = blob.read_shift(2);
		l -= blob.l;
		if (cb !== l) throw new Error("Malformed AddinUdf: padding = " + l + " != " + cb);
		blob.l += cb;
		return udfName;
	}

	/* [MS-XLS] 2.5.209 TODO: Check sizes */
	function parse_Ref8U(blob) {
		var rwFirst = blob.read_shift(2);
		var rwLast = blob.read_shift(2);
		var colFirst = blob.read_shift(2);
		var colLast = blob.read_shift(2);
		return { s: { c: colFirst, r: rwFirst }, e: { c: colLast, r: rwLast } };
	}
	function write_Ref8U(r, o) {
		if (!o) o = new_buf(8);
		o.write_shift(2, r.s.r);
		o.write_shift(2, r.e.r);
		o.write_shift(2, r.s.c);
		o.write_shift(2, r.e.c);
		return o;
	}

	/* [MS-XLS] 2.5.211 */
	function parse_RefU(blob) {
		var rwFirst = blob.read_shift(2);
		var rwLast = blob.read_shift(2);
		var colFirst = blob.read_shift(1);
		var colLast = blob.read_shift(1);
		return { s: { c: colFirst, r: rwFirst }, e: { c: colLast, r: rwLast } };
	}

	/* [MS-XLS] 2.5.207 */
	var parse_Ref = parse_RefU;

	/* [MS-XLS] 2.5.143 */
	function parse_FtCmo(blob) {
		blob.l += 4;
		var ot = blob.read_shift(2);
		var id = blob.read_shift(2);
		var flags = blob.read_shift(2);
		blob.l += 12;
		return [id, ot, flags];
	}

	/* [MS-XLS] 2.5.149 */
	function parse_FtNts(blob) {
		var out = {};
		blob.l += 4;
		blob.l += 16; // GUID TODO
		out.fSharedNote = blob.read_shift(2);
		blob.l += 4;
		return out;
	}

	/* [MS-XLS] 2.5.142 */
	function parse_FtCf(blob) {
		var out = {};
		blob.l += 4;
		blob.cf = blob.read_shift(2);
		return out;
	}

	/* [MS-XLS] 2.5.140 - 2.5.154 and friends */
	function parse_FtSkip(blob) { blob.l += 2; blob.l += blob.read_shift(2); }
	var FtTab = {
		0x00: parse_FtSkip,      /* FtEnd */
		0x04: parse_FtSkip,      /* FtMacro */
		0x05: parse_FtSkip,      /* FtButton */
		0x06: parse_FtSkip,      /* FtGmo */
		0x07: parse_FtCf,        /* FtCf */
		0x08: parse_FtSkip,      /* FtPioGrbit */
		0x09: parse_FtSkip,      /* FtPictFmla */
		0x0A: parse_FtSkip,      /* FtCbls */
		0x0B: parse_FtSkip,      /* FtRbo */
		0x0C: parse_FtSkip,      /* FtSbs */
		0x0D: parse_FtNts,       /* FtNts */
		0x0E: parse_FtSkip,      /* FtSbsFmla */
		0x0F: parse_FtSkip,      /* FtGboData */
		0x10: parse_FtSkip,      /* FtEdoData */
		0x11: parse_FtSkip,      /* FtRboData */
		0x12: parse_FtSkip,      /* FtCblsData */
		0x13: parse_FtSkip,      /* FtLbsData */
		0x14: parse_FtSkip,      /* FtCblsFmla */
		0x15: parse_FtCmo
	};
	function parse_FtArray(blob, length) {
		var tgt = blob.l + length;
		var fts = [];
		while (blob.l < tgt) {
			var ft = blob.read_shift(2);
			blob.l -= 2;
			try {
				fts.push(FtTab[ft](blob, tgt - blob.l));
			} catch (e) { blob.l = tgt; return fts; }
		}
		if (blob.l != tgt) blob.l = tgt; //throw new Error("bad Object Ft-sequence");
		return fts;
	}

	/* --- 2.4 Records --- */

	/* [MS-XLS] 2.4.21 */
	function parse_BOF(blob, length) {
		var o = { BIFFVer: 0, dt: 0 };
		o.BIFFVer = blob.read_shift(2); length -= 2;
		if (length >= 2) { o.dt = blob.read_shift(2); blob.l -= 2; }
		switch (o.BIFFVer) {
			case 0x0600: /* BIFF8 */
			case 0x0500: /* BIFF5 */
			case 0x0400: /* BIFF4 */
			case 0x0300: /* BIFF3 */
			case 0x0200: /* BIFF2 */
			case 0x0002: case 0x0007: /* BIFF2 */
				break;
			default: if (length > 6) throw new Error("Unexpected BIFF Ver " + o.BIFFVer);
		}

		blob.read_shift(length);
		return o;
	}
	function write_BOF(wb, t, o) {
		var h = 0x0600, w = 16;
		switch (o.bookType) {
			case 'biff8': break;
			case 'biff5': h = 0x0500; w = 8; break;
			case 'biff4': h = 0x0004; w = 6; break;
			case 'biff3': h = 0x0003; w = 6; break;
			case 'biff2': h = 0x0002; w = 4; break;
			case 'xla': break;
			default: throw new Error("unsupported BIFF version");
		}
		var out = new_buf(w);
		out.write_shift(2, h);
		out.write_shift(2, t);
		if (w > 4) out.write_shift(2, 0x7262);
		if (w > 6) out.write_shift(2, 0x07CD);
		if (w > 8) {
			out.write_shift(2, 0xC009);
			out.write_shift(2, 0x0001);
			out.write_shift(2, 0x0706);
			out.write_shift(2, 0x0000);
		}
		return out;
	}


	/* [MS-XLS] 2.4.146 */
	function parse_InterfaceHdr(blob, length) {
		if (length === 0) return 0x04b0;
		if ((blob.read_shift(2)) !== 0x04b0) {/* empty */ }
		return 0x04b0;
	}


	/* [MS-XLS] 2.4.349 */
	function parse_WriteAccess(blob, length, opts) {
		if (opts.enc) { blob.l += length; return ""; }
		var l = blob.l;
		// TODO: make sure XLUnicodeString doesnt overrun
		var UserName = parse_XLUnicodeString2(blob, 0, opts);
		blob.read_shift(length + l - blob.l);
		return UserName;
	}
	function write_WriteAccess(s, opts) {
		var b8 = !opts || opts.biff == 8;
		var o = new_buf(b8 ? 112 : 54);
		o.write_shift(opts.biff == 8 ? 2 : 1, 7);
		if (b8) o.write_shift(1, 0);
		o.write_shift(4, 0x33336853);
		o.write_shift(4, (0x00534A74 | (b8 ? 0 : 0x20000000)));
		while (o.l < o.length) o.write_shift(1, (b8 ? 0 : 32));
		return o;
	}

	/* [MS-XLS] 2.4.351 */
	function parse_WsBool(blob, length, opts) {
		var flags = opts && opts.biff == 8 || length == 2 ? blob.read_shift(2) : (blob.l += length, 0);
		return { fDialog: flags & 0x10 };
	}

	/* [MS-XLS] 2.4.28 */
	function parse_BoundSheet8(blob, length, opts) {
		var pos = blob.read_shift(4);
		var hidden = blob.read_shift(1) & 0x03;
		var dt = blob.read_shift(1);
		switch (dt) {
			case 0: dt = 'Worksheet'; break;
			case 1: dt = 'Macrosheet'; break;
			case 2: dt = 'Chartsheet'; break;
			case 6: dt = 'VBAModule'; break;
		}
		var name = parse_ShortXLUnicodeString(blob, 0, opts);
		if (name.length === 0) name = "Sheet1";
		return { pos: pos, hs: hidden, dt: dt, name: name };
	}
	function write_BoundSheet8(data, opts) {
		var w = (!opts || opts.biff >= 8 ? 2 : 1);
		var o = new_buf(8 + w * data.name.length);
		o.write_shift(4, data.pos);
		o.write_shift(1, data.hs || 0);
		o.write_shift(1, data.dt);
		o.write_shift(1, data.name.length);
		if (opts.biff >= 8) o.write_shift(1, 1);
		o.write_shift(w * data.name.length, data.name, opts.biff < 8 ? 'sbcs' : 'utf16le');
		var out = o.slice(0, o.l);
		out.l = o.l; return out;
	}

	/* [MS-XLS] 2.4.265 TODO */
	function parse_SST(blob, length) {
		var end = blob.l + length;
		var cnt = blob.read_shift(4);
		var ucnt = blob.read_shift(4);
		var strs = ([]);
		for (var i = 0; i != ucnt && blob.l < end; ++i) {
			strs.push(parse_XLUnicodeRichExtendedString(blob));
		}
		strs.Count = cnt; strs.Unique = ucnt;
		return strs;
	}

	/* [MS-XLS] 2.4.107 */
	function parse_ExtSST(blob, length) {
		var extsst = {};
		extsst.dsst = blob.read_shift(2);
		blob.l += length - 2;
		return extsst;
	}


	/* [MS-XLS] 2.4.221 TODO: check BIFF2-4 */
	function parse_Row(blob) {
		var z = ({});
		z.r = blob.read_shift(2);
		z.c = blob.read_shift(2);
		z.cnt = blob.read_shift(2) - z.c;
		var miyRw = blob.read_shift(2);
		blob.l += 4; // reserved(2), unused(2)
		var flags = blob.read_shift(1); // various flags
		blob.l += 3; // reserved(8), ixfe(12), flags(4)
		if (flags & 0x07) z.level = flags & 0x07;
		// collapsed: flags & 0x10
		if (flags & 0x20) z.hidden = true;
		if (flags & 0x40) z.hpt = miyRw / 20;
		return z;
	}


	/* [MS-XLS] 2.4.125 */
	function parse_ForceFullCalculation(blob) {
		var header = parse_frtHeader(blob);
		if (header.type != 0x08A3) throw new Error("Invalid Future Record " + header.type);
		var fullcalc = blob.read_shift(4);
		return fullcalc !== 0x0;
	}





	/* [MS-XLS] 2.4.215 rt */
	function parse_RecalcId(blob) {
		blob.read_shift(2);
		return blob.read_shift(4);
	}

	/* [MS-XLS] 2.4.87 */
	function parse_DefaultRowHeight(blob, length, opts) {
		var f = 0;
		if (!(opts && opts.biff == 2)) {
			f = blob.read_shift(2);
		}
		var miyRw = blob.read_shift(2);
		if ((opts && opts.biff == 2)) {
			f = 1 - (miyRw >> 15); miyRw &= 0x7fff;
		}
		var fl = { Unsynced: f & 1, DyZero: (f & 2) >> 1, ExAsc: (f & 4) >> 2, ExDsc: (f & 8) >> 3 };
		return [fl, miyRw];
	}

	/* [MS-XLS] 2.4.345 TODO */
	function parse_Window1(blob) {
		var xWn = blob.read_shift(2), yWn = blob.read_shift(2), dxWn = blob.read_shift(2), dyWn = blob.read_shift(2);
		var flags = blob.read_shift(2), iTabCur = blob.read_shift(2), iTabFirst = blob.read_shift(2);
		var ctabSel = blob.read_shift(2), wTabRatio = blob.read_shift(2);
		return {
			Pos: [xWn, yWn], Dim: [dxWn, dyWn], Flags: flags, CurTab: iTabCur,
			FirstTab: iTabFirst, Selected: ctabSel, TabRatio: wTabRatio
		};
	}
	function write_Window1() {
		var o = new_buf(18);
		o.write_shift(2, 0);
		o.write_shift(2, 0);
		o.write_shift(2, 0x7260);
		o.write_shift(2, 0x44c0);
		o.write_shift(2, 0x38);
		o.write_shift(2, 0);
		o.write_shift(2, 0);
		o.write_shift(2, 1);
		o.write_shift(2, 0x01f4);
		return o;
	}
	/* [MS-XLS] 2.4.346 TODO */
	function parse_Window2(blob, length, opts) {
		if (opts && opts.biff >= 2 && opts.biff < 8) return {};
		var f = blob.read_shift(2);
		return { RTL: f & 0x40 };
	}
	function write_Window2(view) {
		var o = new_buf(18), f = 0x6b6;
		if (view && view.RTL) f |= 0x40;
		o.write_shift(2, f);
		o.write_shift(4, 0);
		o.write_shift(4, 64);
		o.write_shift(4, 0);
		o.write_shift(4, 0);
		return o;
	}

	/* [MS-XLS] 2.4.189 TODO */
	function parse_Pane(/*blob, length, opts*/) {
	}

	/* [MS-XLS] 2.4.122 TODO */
	function parse_Font(blob, length, opts) {
		var o = {
			dyHeight: blob.read_shift(2),
			fl: blob.read_shift(2)
		};
		switch ((opts && opts.biff) || 8) {
			case 2: break;
			case 3: case 4: blob.l += 2; break;
			default: blob.l += 10; break;
		}
		o.name = parse_ShortXLUnicodeString(blob, 0, opts);
		return o;
	}
	function write_Font(data, opts) {
		var name = data.name || "Arial";
		var b5 = (opts && (opts.biff == 5)), w = (b5 ? (15 + name.length) : (16 + 2 * name.length));
		var o = new_buf(w);
		o.write_shift(2, (data.sz || 12) * 20);
		o.write_shift(4, 0);
		o.write_shift(2, 400);
		o.write_shift(4, 0);
		o.write_shift(2, 0);
		o.write_shift(1, name.length);
		if (!b5) o.write_shift(1, 1);
		o.write_shift((b5 ? 1 : 2) * name.length, name, (b5 ? "sbcs" : "utf16le"));
		return o;
	}

	/* [MS-XLS] 2.4.149 */
	function parse_LabelSst(blob) {
		var cell = parse_XLSCell(blob);
		cell.isst = blob.read_shift(4);
		return cell;
	}

	/* [MS-XLS] 2.4.148 */
	function parse_Label(blob, length, opts) {
		var target = blob.l + length;
		var cell = parse_XLSCell(blob, 6);
		if (opts.biff == 2) blob.l++;
		var str = parse_XLUnicodeString(blob, target - blob.l, opts);
		cell.val = str;
		return cell;
	}
	function write_Label(R, C, v, os, opts) {
		var b8 = !opts || opts.biff == 8;
		var o = new_buf(6 + 2 + (+b8) + (1 + b8) * v.length);
		write_XLSCell(R, C, os, o);
		o.write_shift(2, v.length);
		if (b8) o.write_shift(1, 1);
		o.write_shift((1 + b8) * v.length, v, b8 ? 'utf16le' : 'sbcs');
		return o;
	}


	/* [MS-XLS] 2.4.126 Number Formats */
	function parse_Format(blob, length, opts) {
		var numFmtId = blob.read_shift(2);
		var fmtstr = parse_XLUnicodeString2(blob, 0, opts);
		return [numFmtId, fmtstr];
	}
	function write_Format(i, f, opts, o) {
		var b5 = (opts && (opts.biff == 5));
		if (!o) o = new_buf(b5 ? (3 + f.length) : (5 + 2 * f.length));
		o.write_shift(2, i);
		o.write_shift((b5 ? 1 : 2), f.length);
		if (!b5) o.write_shift(1, 1);
		o.write_shift((b5 ? 1 : 2) * f.length, f, (b5 ? 'sbcs' : 'utf16le'));
		var out = (o.length > o.l) ? o.slice(0, o.l) : o;
		if (out.l == null) out.l = out.length;
		return out;
	}
	var parse_BIFF2Format = parse_XLUnicodeString2;

	/* [MS-XLS] 2.4.90 */
	function parse_Dimensions(blob, length, opts) {
		var end = blob.l + length;
		var w = opts.biff == 8 || !opts.biff ? 4 : 2;
		var r = blob.read_shift(w), R = blob.read_shift(w);
		var c = blob.read_shift(2), C = blob.read_shift(2);
		blob.l = end;
		return { s: { r: r, c: c }, e: { r: R, c: C } };
	}
	function write_Dimensions(range, opts) {
		var w = opts.biff == 8 || !opts.biff ? 4 : 2;
		var o = new_buf(2 * w + 6);
		o.write_shift(w, range.s.r);
		o.write_shift(w, range.e.r + 1);
		o.write_shift(2, range.s.c);
		o.write_shift(2, range.e.c + 1);
		o.write_shift(2, 0);
		return o;
	}

	/* [MS-XLS] 2.4.220 */
	function parse_RK(blob) {
		var rw = blob.read_shift(2), col = blob.read_shift(2);
		var rkrec = parse_RkRec(blob);
		return { r: rw, c: col, ixfe: rkrec[0], rknum: rkrec[1] };
	}

	/* [MS-XLS] 2.4.175 */
	function parse_MulRk(blob, length) {
		var target = blob.l + length - 2;
		var rw = blob.read_shift(2), col = blob.read_shift(2);
		var rkrecs = [];
		while (blob.l < target) rkrecs.push(parse_RkRec(blob));
		if (blob.l !== target) throw new Error("MulRK read error");
		var lastcol = blob.read_shift(2);
		if (rkrecs.length != lastcol - col + 1) throw new Error("MulRK length mismatch");
		return { r: rw, c: col, C: lastcol, rkrec: rkrecs };
	}
	/* [MS-XLS] 2.4.174 */
	function parse_MulBlank(blob, length) {
		var target = blob.l + length - 2;
		var rw = blob.read_shift(2), col = blob.read_shift(2);
		var ixfes = [];
		while (blob.l < target) ixfes.push(blob.read_shift(2));
		if (blob.l !== target) throw new Error("MulBlank read error");
		var lastcol = blob.read_shift(2);
		if (ixfes.length != lastcol - col + 1) throw new Error("MulBlank length mismatch");
		return { r: rw, c: col, C: lastcol, ixfe: ixfes };
	}

	/* [MS-XLS] 2.5.20 2.5.249 TODO: interpret values here */
	function parse_CellStyleXF(blob, length, style, opts) {
		var o = {};
		var a = blob.read_shift(4), b = blob.read_shift(4);
		var c = blob.read_shift(4), d = blob.read_shift(2);
		o.patternType = XLSFillPattern[c >> 26];

		if (!opts.cellStyles) return o;
		o.alc = a & 0x07;
		o.fWrap = (a >> 3) & 0x01;
		o.alcV = (a >> 4) & 0x07;
		o.fJustLast = (a >> 7) & 0x01;
		o.trot = (a >> 8) & 0xFF;
		o.cIndent = (a >> 16) & 0x0F;
		o.fShrinkToFit = (a >> 20) & 0x01;
		o.iReadOrder = (a >> 22) & 0x02;
		o.fAtrNum = (a >> 26) & 0x01;
		o.fAtrFnt = (a >> 27) & 0x01;
		o.fAtrAlc = (a >> 28) & 0x01;
		o.fAtrBdr = (a >> 29) & 0x01;
		o.fAtrPat = (a >> 30) & 0x01;
		o.fAtrProt = (a >> 31) & 0x01;

		o.dgLeft = b & 0x0F;
		o.dgRight = (b >> 4) & 0x0F;
		o.dgTop = (b >> 8) & 0x0F;
		o.dgBottom = (b >> 12) & 0x0F;
		o.icvLeft = (b >> 16) & 0x7F;
		o.icvRight = (b >> 23) & 0x7F;
		o.grbitDiag = (b >> 30) & 0x03;

		o.icvTop = c & 0x7F;
		o.icvBottom = (c >> 7) & 0x7F;
		o.icvDiag = (c >> 14) & 0x7F;
		o.dgDiag = (c >> 21) & 0x0F;

		o.icvFore = d & 0x7F;
		o.icvBack = (d >> 7) & 0x7F;
		o.fsxButton = (d >> 14) & 0x01;
		return o;
	}
	//function parse_CellXF(blob, length, opts) {return parse_CellStyleXF(blob,length,0, opts);}
	//function parse_StyleXF(blob, length, opts) {return parse_CellStyleXF(blob,length,1, opts);}

	/* [MS-XLS] 2.4.353 TODO: actually do this right */
	function parse_XF(blob, length, opts) {
		var o = {};
		o.ifnt = blob.read_shift(2); o.numFmtId = blob.read_shift(2); o.flags = blob.read_shift(2);
		o.fStyle = (o.flags >> 2) & 0x01;
		length -= 6;
		o.data = parse_CellStyleXF(blob, length, o.fStyle, opts);
		return o;
	}
	function write_XF(data, ixfeP, opts, o) {
		var b5 = (opts && (opts.biff == 5));
		if (!o) o = new_buf(b5 ? 16 : 20);
		o.write_shift(2, 0);
		if (data.style) {
			o.write_shift(2, (data.numFmtId || 0));
			o.write_shift(2, 0xFFF4);
		} else {
			o.write_shift(2, (data.numFmtId || 0));
			o.write_shift(2, (ixfeP << 4));
		}
		o.write_shift(4, 0);
		o.write_shift(4, 0);
		if (!b5) o.write_shift(4, 0);
		o.write_shift(2, 0);
		return o;
	}

	/* [MS-XLS] 2.4.134 */
	function parse_Guts(blob) {
		blob.l += 4;
		var out = [blob.read_shift(2), blob.read_shift(2)];
		if (out[0] !== 0) out[0]--;
		if (out[1] !== 0) out[1]--;
		if (out[0] > 7 || out[1] > 7) throw new Error("Bad Gutters: " + out.join("|"));
		return out;
	}
	function write_Guts(guts) {
		var o = new_buf(8);
		o.write_shift(4, 0);
		o.write_shift(2, guts[0] ? guts[0] + 1 : 0);
		o.write_shift(2, guts[1] ? guts[1] + 1 : 0);
		return o;
	}

	/* [MS-XLS] 2.4.24 */
	function parse_BoolErr(blob, length, opts) {
		var cell = parse_XLSCell(blob, 6);
		if (opts.biff == 2) ++blob.l;
		var val = parse_Bes(blob, 2);
		cell.val = val;
		cell.t = (val === true || val === false) ? 'b' : 'e';
		return cell;
	}
	function write_BoolErr(R, C, v, os, opts, t) {
		var o = new_buf(8);
		write_XLSCell(R, C, os, o);
		write_Bes(v, t, o);
		return o;
	}

	/* [MS-XLS] 2.4.180 Number */
	function parse_Number(blob) {
		var cell = parse_XLSCell(blob, 6);
		var xnum = parse_Xnum(blob, 8);
		cell.val = xnum;
		return cell;
	}
	function write_Number(R, C, v, os) {
		var o = new_buf(14);
		write_XLSCell(R, C, os, o);
		write_Xnum(v, o);
		return o;
	}

	var parse_XLHeaderFooter = parse_OptXLUnicodeString; // TODO: parse 2.4.136

	/* [MS-XLS] 2.4.271 */
	function parse_SupBook(blob, length, opts) {
		var end = blob.l + length;
		var ctab = blob.read_shift(2);
		var cch = blob.read_shift(2);
		opts.sbcch = cch;
		if (cch == 0x0401 || cch == 0x3A01) return [cch, ctab];
		if (cch < 0x01 || cch > 0xff) throw new Error("Unexpected SupBook type: " + cch);
		var virtPath = parse_XLUnicodeStringNoCch(blob, cch);
		/* TODO: 2.5.277 Virtual Path */
		var rgst = [];
		while (end > blob.l) rgst.push(parse_XLUnicodeString(blob));
		return [cch, ctab, virtPath, rgst];
	}

	/* [MS-XLS] 2.4.105 TODO */
	function parse_ExternName(blob, length, opts) {
		var flags = blob.read_shift(2);
		var body;
		var o = ({
			fBuiltIn: flags & 0x01,
			fWantAdvise: (flags >>> 1) & 0x01,
			fWantPict: (flags >>> 2) & 0x01,
			fOle: (flags >>> 3) & 0x01,
			fOleLink: (flags >>> 4) & 0x01,
			cf: (flags >>> 5) & 0x3FF,
			fIcon: flags >>> 15 & 0x01
		});
		if (opts.sbcch === 0x3A01) body = parse_AddinUdf(blob, length - 2, opts);
		//else throw new Error("unsupported SupBook cch: " + opts.sbcch);
		o.body = body || blob.read_shift(length - 2);
		if (typeof body === "string") o.Name = body;
		return o;
	}

	/* [MS-XLS] 2.4.150 TODO */
	var XLSLblBuiltIn = [
		"_xlnm.Consolidate_Area",
		"_xlnm.Auto_Open",
		"_xlnm.Auto_Close",
		"_xlnm.Extract",
		"_xlnm.Database",
		"_xlnm.Criteria",
		"_xlnm.Print_Area",
		"_xlnm.Print_Titles",
		"_xlnm.Recorder",
		"_xlnm.Data_Form",
		"_xlnm.Auto_Activate",
		"_xlnm.Auto_Deactivate",
		"_xlnm.Sheet_Title",
		"_xlnm._FilterDatabase"
	];
	function parse_Lbl(blob, length, opts) {
		var target = blob.l + length;
		var flags = blob.read_shift(2);
		var chKey = blob.read_shift(1);
		var cch = blob.read_shift(1);
		var cce = blob.read_shift(opts && opts.biff == 2 ? 1 : 2);
		var itab = 0;
		if (!opts || opts.biff >= 5) {
			if (opts.biff != 5) blob.l += 2;
			itab = blob.read_shift(2);
			if (opts.biff == 5) blob.l += 2;
			blob.l += 4;
		}
		var name = parse_XLUnicodeStringNoCch(blob, cch, opts);
		if (flags & 0x20) name = XLSLblBuiltIn[name.charCodeAt(0)];
		var npflen = target - blob.l; if (opts && opts.biff == 2) --npflen;
		var rgce = target == blob.l || cce === 0 ? [] : parse_NameParsedFormula(blob, npflen, opts, cce);
		return {
			chKey: chKey,
			Name: name,
			itab: itab,
			rgce: rgce
		};
	}

	/* [MS-XLS] 2.4.106 TODO: verify filename encoding */
	function parse_ExternSheet(blob, length, opts) {
		if (opts.biff < 8) return parse_BIFF5ExternSheet(blob, length, opts);
		var o = [], target = blob.l + length, len = blob.read_shift(opts.biff > 8 ? 4 : 2);
		while (len-- !== 0) o.push(parse_XTI(blob, opts.biff > 8 ? 12 : 6, opts));
		// [iSupBook, itabFirst, itabLast];
		if (blob.l != target) throw new Error("Bad ExternSheet: " + blob.l + " != " + target);
		return o;
	}
	function parse_BIFF5ExternSheet(blob, length, opts) {
		if (blob[blob.l + 1] == 0x03) blob[blob.l]++;
		var o = parse_ShortXLUnicodeString(blob, length, opts);
		return o.charCodeAt(0) == 0x03 ? o.slice(1) : o;
	}

	/* [MS-XLS] 2.4.176 TODO: check older biff */
	function parse_NameCmt(blob, length, opts) {
		if (opts.biff < 8) { blob.l += length; return; }
		var cchName = blob.read_shift(2);
		var cchComment = blob.read_shift(2);
		var name = parse_XLUnicodeStringNoCch(blob, cchName, opts);
		var comment = parse_XLUnicodeStringNoCch(blob, cchComment, opts);
		return [name, comment];
	}

	/* [MS-XLS] 2.4.260 */
	function parse_ShrFmla(blob, length, opts) {
		var ref = parse_RefU(blob, 6);
		blob.l++;
		var cUse = blob.read_shift(1);
		length -= 8;
		return [parse_SharedParsedFormula(blob, length, opts), cUse, ref];
	}

	/* [MS-XLS] 2.4.4 TODO */
	function parse_Array(blob, length, opts) {
		var ref = parse_Ref(blob, 6);
		/* TODO: fAlwaysCalc */
		switch (opts.biff) {
			case 2: blob.l++; length -= 7; break;
			case 3: case 4: blob.l += 2; length -= 8; break;
			default: blob.l += 6; length -= 12;
		}
		return [ref, parse_ArrayParsedFormula(blob, length, opts, ref)];
	}

	/* [MS-XLS] 2.4.173 */
	function parse_MTRSettings(blob) {
		var fMTREnabled = blob.read_shift(4) !== 0x00;
		var fUserSetThreadCount = blob.read_shift(4) !== 0x00;
		var cUserThreadCount = blob.read_shift(4);
		return [fMTREnabled, fUserSetThreadCount, cUserThreadCount];
	}

	/* [MS-XLS] 2.5.186 TODO: BIFF5 */
	function parse_NoteSh(blob, length, opts) {
		if (opts.biff < 8) return;
		var row = blob.read_shift(2), col = blob.read_shift(2);
		var flags = blob.read_shift(2), idObj = blob.read_shift(2);
		var stAuthor = parse_XLUnicodeString2(blob, 0, opts);
		if (opts.biff < 8) blob.read_shift(1);
		return [{ r: row, c: col }, stAuthor, idObj, flags];
	}

	/* [MS-XLS] 2.4.179 */
	function parse_Note(blob, length, opts) {
		/* TODO: Support revisions */
		return parse_NoteSh(blob, length, opts);
	}

	/* [MS-XLS] 2.4.168 */
	function parse_MergeCells(blob, length) {
		var merges = [];
		var cmcs = blob.read_shift(2);
		while (cmcs--) merges.push(parse_Ref8U(blob, length));
		return merges;
	}
	function write_MergeCells(merges) {
		var o = new_buf(2 + merges.length * 8);
		o.write_shift(2, merges.length);
		for (var i = 0; i < merges.length; ++i) write_Ref8U(merges[i], o);
		return o;
	}

	/* [MS-XLS] 2.4.181 TODO: parse all the things! */
	function parse_Obj(blob, length, opts) {
		if (opts && opts.biff < 8) return parse_BIFF5Obj(blob, length, opts);
		var cmo = parse_FtCmo(blob, 22); // id, ot, flags
		var fts = parse_FtArray(blob, length - 22, cmo[1]);
		return { cmo: cmo, ft: fts };
	}
	/* from older spec */
	var parse_BIFF5OT = [];
	parse_BIFF5OT[0x08] = function (blob, length) {
		var tgt = blob.l + length;
		blob.l += 10; // todo
		var cf = blob.read_shift(2);
		blob.l += 4;
		blob.l += 2; //var cbPictFmla = blob.read_shift(2);
		blob.l += 2;
		blob.l += 2; //var grbit = blob.read_shift(2);
		blob.l += 4;
		var cchName = blob.read_shift(1);
		blob.l += cchName; // TODO: stName
		blob.l = tgt; // TODO: fmla
		return { fmt: cf };
	};

	function parse_BIFF5Obj(blob, length, opts) {
		blob.l += 4; //var cnt = blob.read_shift(4);
		var ot = blob.read_shift(2);
		var id = blob.read_shift(2);
		var grbit = blob.read_shift(2);
		blob.l += 2; //var colL = blob.read_shift(2);
		blob.l += 2; //var dxL = blob.read_shift(2);
		blob.l += 2; //var rwT = blob.read_shift(2);
		blob.l += 2; //var dyT = blob.read_shift(2);
		blob.l += 2; //var colR = blob.read_shift(2);
		blob.l += 2; //var dxR = blob.read_shift(2);
		blob.l += 2; //var rwB = blob.read_shift(2);
		blob.l += 2; //var dyB = blob.read_shift(2);
		blob.l += 2; //var cbMacro = blob.read_shift(2);
		blob.l += 6;
		length -= 36;
		var fts = [];
		fts.push((parse_BIFF5OT[ot] || parsenoop)(blob, length, opts));
		return { cmo: [id, ot, grbit], ft: fts };
	}

	/* [MS-XLS] 2.4.329 TODO: parse properly */
	function parse_TxO(blob, length, opts) {
		var s = blob.l;
		var texts = "";
		try {
			blob.l += 4;
			var ot = (opts.lastobj || { cmo: [0, 0] }).cmo[1];
			var controlInfo; // eslint-disable-line no-unused-vars
			if ([0, 5, 7, 11, 12, 14].indexOf(ot) == -1) blob.l += 6;
			else controlInfo = parse_ControlInfo(blob, 6, opts);
			var cchText = blob.read_shift(2);
	/*var cbRuns = */blob.read_shift(2);
	/*var ifntEmpty = */parseuint16(blob, 2);
			var len = blob.read_shift(2);
			blob.l += len;
			//var fmla = parse_ObjFmla(blob, s + length - blob.l);

			for (var i = 1; i < blob.lens.length - 1; ++i) {
				if (blob.l - s != blob.lens[i]) throw new Error("TxO: bad continue record");
				var hdr = blob[blob.l];
				var t = parse_XLUnicodeStringNoCch(blob, blob.lens[i + 1] - blob.lens[i] - 1);
				texts += t;
				if (texts.length >= (hdr ? cchText : 2 * cchText)) break;
			}
			if (texts.length !== cchText && texts.length !== cchText * 2) {
				throw new Error("cchText: " + cchText + " != " + texts.length);
			}

			blob.l = s + length;
			/* [MS-XLS] 2.5.272 TxORuns */
			//	var rgTxoRuns = [];
			//	for(var j = 0; j != cbRuns/8-1; ++j) blob.l += 8;
			//	var cchText2 = blob.read_shift(2);
			//	if(cchText2 !== cchText) throw new Error("TxOLastRun mismatch: " + cchText2 + " " + cchText);
			//	blob.l += 6;
			//	if(s + length != blob.l) throw new Error("TxO " + (s + length) + ", at " + blob.l);
			return { t: texts };
		} catch (e) { blob.l = s + length; return { t: texts }; }
	}

	/* [MS-XLS] 2.4.140 */
	function parse_HLink(blob, length) {
		var ref = parse_Ref8U(blob, 8);
		blob.l += 16; /* CLSID */
		var hlink = parse_Hyperlink(blob, length - 24);
		return [ref, hlink];
	}
	function write_HLink(hl) {
		var O = new_buf(24);
		var ref = decode_cell(hl[0]);
		O.write_shift(2, ref.r); O.write_shift(2, ref.r);
		O.write_shift(2, ref.c); O.write_shift(2, ref.c);
		var clsid = "d0 c9 ea 79 f9 ba ce 11 8c 82 00 aa 00 4b a9 0b".split(" ");
		for (var i = 0; i < 16; ++i) O.write_shift(1, parseInt(clsid[i], 16));
		return bconcat([O, write_Hyperlink(hl[1])]);
	}


	/* [MS-XLS] 2.4.141 */
	function parse_HLinkTooltip(blob, length) {
		blob.read_shift(2);
		var ref = parse_Ref8U(blob, 8);
		var wzTooltip = blob.read_shift((length - 10) / 2, 'dbcs-cont');
		wzTooltip = wzTooltip.replace(chr0, "");
		return [ref, wzTooltip];
	}
	function write_HLinkTooltip(hl) {
		var TT = hl[1].Tooltip;
		var O = new_buf(10 + 2 * (TT.length + 1));
		O.write_shift(2, 0x0800);
		var ref = decode_cell(hl[0]);
		O.write_shift(2, ref.r); O.write_shift(2, ref.r);
		O.write_shift(2, ref.c); O.write_shift(2, ref.c);
		for (var i = 0; i < TT.length; ++i) O.write_shift(2, TT.charCodeAt(i));
		O.write_shift(2, 0);
		return O;
	}

	/* [MS-XLS] 2.4.63 */
	function parse_Country(blob) {
		var o = [0, 0], d;
		d = blob.read_shift(2); o[0] = CountryEnum[d] || d;
		d = blob.read_shift(2); o[1] = CountryEnum[d] || d;
		return o;
	}
	function write_Country(o) {
		if (!o) o = new_buf(4);
		o.write_shift(2, 0x01);
		o.write_shift(2, 0x01);
		return o;
	}

	/* [MS-XLS] 2.4.50 ClrtClient */
	function parse_ClrtClient(blob) {
		var ccv = blob.read_shift(2);
		var o = [];
		while (ccv-- > 0) o.push(parse_LongRGB(blob, 8));
		return o;
	}

	/* [MS-XLS] 2.4.188 */
	function parse_Palette(blob) {
		var ccv = blob.read_shift(2);
		var o = [];
		while (ccv-- > 0) o.push(parse_LongRGB(blob, 8));
		return o;
	}

	/* [MS-XLS] 2.4.354 */
	function parse_XFCRC(blob) {
		blob.l += 2;
		var o = { cxfs: 0, crc: 0 };
		o.cxfs = blob.read_shift(2);
		o.crc = blob.read_shift(4);
		return o;
	}

	/* [MS-XLS] 2.4.53 TODO: parse flags */
	/* [MS-XLSB] 2.4.323 TODO: parse flags */
	function parse_ColInfo(blob, length, opts) {
		if (!opts.cellStyles) return parsenoop(blob, length);
		var w = opts && opts.biff >= 12 ? 4 : 2;
		var colFirst = blob.read_shift(w);
		var colLast = blob.read_shift(w);
		var coldx = blob.read_shift(w);
		var ixfe = blob.read_shift(w);
		var flags = blob.read_shift(2);
		if (w == 2) blob.l += 2;
		var o = ({ s: colFirst, e: colLast, w: coldx, ixfe: ixfe, flags: flags });
		if (opts.biff >= 5 || !opts.biff) o.level = (flags >> 8) & 0x7;
		return o;
	}

	/* [MS-XLS] 2.4.257 */
	function parse_Setup(blob, length) {
		var o = {};
		if (length < 32) return o;
		blob.l += 16;
		o.header = parse_Xnum(blob, 8);
		o.footer = parse_Xnum(blob, 8);
		blob.l += 2;
		return o;
	}

	/* [MS-XLS] 2.4.261 */
	function parse_ShtProps(blob, length, opts) {
		var def = { area: false };
		if (opts.biff != 5) { blob.l += length; return def; }
		var d = blob.read_shift(1); blob.l += 3;
		if ((d & 0x10)) def.area = true;
		return def;
	}

	/* [MS-XLS] 2.4.241 */
	function write_RRTabId(n) {
		var out = new_buf(2 * n);
		for (var i = 0; i < n; ++i) out.write_shift(2, i + 1);
		return out;
	}

	var parse_Blank = parse_XLSCell; /* [MS-XLS] 2.4.20 Just the cell */
	var parse_Scl = parseuint16a; /* [MS-XLS] 2.4.247 num, den */
	var parse_String = parse_XLUnicodeString; /* [MS-XLS] 2.4.268 */

	/* --- Specific to versions before BIFF8 --- */
	function parse_ImData(blob) {
		var cf = blob.read_shift(2);
		var env = blob.read_shift(2);
		var lcb = blob.read_shift(4);
		var o = { fmt: cf, env: env, len: lcb, data: blob.slice(blob.l, blob.l + lcb) };
		blob.l += lcb;
		return o;
	}

	/* BIFF2_??? where ??? is the name from [XLS] */
	function parse_BIFF2STR(blob, length, opts) {
		var cell = parse_XLSCell(blob, 6);
		++blob.l;
		var str = parse_XLUnicodeString2(blob, length - 7, opts);
		cell.t = 'str';
		cell.val = str;
		return cell;
	}

	function parse_BIFF2NUM(blob) {
		var cell = parse_XLSCell(blob, 6);
		++blob.l;
		var num = parse_Xnum(blob, 8);
		cell.t = 'n';
		cell.val = num;
		return cell;
	}
	function write_BIFF2NUM(r, c, val) {
		var out = new_buf(15);
		write_BIFF2Cell(out, r, c);
		out.write_shift(8, val, 'f');
		return out;
	}

	function parse_BIFF2INT(blob) {
		var cell = parse_XLSCell(blob, 6);
		++blob.l;
		var num = blob.read_shift(2);
		cell.t = 'n';
		cell.val = num;
		return cell;
	}
	function write_BIFF2INT(r, c, val) {
		var out = new_buf(9);
		write_BIFF2Cell(out, r, c);
		out.write_shift(2, val);
		return out;
	}

	function parse_BIFF2STRING(blob) {
		var cch = blob.read_shift(1);
		if (cch === 0) { blob.l++; return ""; }
		return blob.read_shift(cch, 'sbcs-cont');
	}

	/* TODO: convert to BIFF8 font struct */
	function parse_BIFF2FONTXTRA(blob, length) {
		blob.l += 6; // unknown
		blob.l += 2; // font weight "bls"
		blob.l += 1; // charset
		blob.l += 3; // unknown
		blob.l += 1; // font family
		blob.l += length - 13;
	}

	/* TODO: parse rich text runs */
	function parse_RString(blob, length, opts) {
		var end = blob.l + length;
		var cell = parse_XLSCell(blob, 6);
		var cch = blob.read_shift(2);
		var str = parse_XLUnicodeStringNoCch(blob, cch, opts);
		blob.l = end;
		cell.t = 'str';
		cell.val = str;
		return cell;
	}
	/* from js-harb (C) 2014-present  SheetJS */
	var DBF = (function () {
		var dbf_codepage_map = {
			/* Code Pages Supported by Visual FoxPro */
			0x01: 437, 0x02: 850,
			0x03: 1252, 0x04: 10000,
			0x64: 852, 0x65: 866,
			0x66: 865, 0x67: 861,
			0x68: 895, 0x69: 620,
			0x6A: 737, 0x6B: 857,
			0x78: 950, 0x79: 949,
			0x7A: 936, 0x7B: 932,
			0x7C: 874, 0x7D: 1255,
			0x7E: 1256, 0x96: 10007,
			0x97: 10029, 0x98: 10006,
			0xC8: 1250, 0xC9: 1251,
			0xCA: 1254, 0xCB: 1253,

			/* shapefile DBF extension */
			0x00: 20127, 0x08: 865,
			0x09: 437, 0x0A: 850,
			0x0B: 437, 0x0D: 437,
			0x0E: 850, 0x0F: 437,
			0x10: 850, 0x11: 437,
			0x12: 850, 0x13: 932,
			0x14: 850, 0x15: 437,
			0x16: 850, 0x17: 865,
			0x18: 437, 0x19: 437,
			0x1A: 850, 0x1B: 437,
			0x1C: 863, 0x1D: 850,
			0x1F: 852, 0x22: 852,
			0x23: 852, 0x24: 860,
			0x25: 850, 0x26: 866,
			0x37: 850, 0x40: 852,
			0x4D: 936, 0x4E: 949,
			0x4F: 950, 0x50: 874,
			0x57: 1252, 0x58: 1252,
			0x59: 1252,

			0xFF: 16969
		};
		var dbf_reverse_map = evert({
			0x01: 437, 0x02: 850,
			0x03: 1252, 0x04: 10000,
			0x64: 852, 0x65: 866,
			0x66: 865, 0x67: 861,
			0x68: 895, 0x69: 620,
			0x6A: 737, 0x6B: 857,
			0x78: 950, 0x79: 949,
			0x7A: 936, 0x7B: 932,
			0x7C: 874, 0x7D: 1255,
			0x7E: 1256, 0x96: 10007,
			0x97: 10029, 0x98: 10006,
			0xC8: 1250, 0xC9: 1251,
			0xCA: 1254, 0xCB: 1253,
			0x00: 20127
		});
		/* TODO: find an actual specification */
		function dbf_to_aoa(buf, opts) {
			var out = [];
			/* TODO: browser based */
			var d = (new_raw_buf(1));
			switch (opts.type) {
				case 'base64': d = s2a(Base64.decode(buf)); break;
				case 'binary': d = s2a(buf); break;
				case 'buffer':
				case 'array': d = buf; break;
			}
			prep_blob(d, 0);
			/* header */
			var ft = d.read_shift(1);
			var memo = false;
			var vfp = false, l7 = false;
			switch (ft) {
				case 0x02: case 0x03: break;
				case 0x30: vfp = true; memo = true; break;
				case 0x31: vfp = true; break;
				case 0x83: memo = true; break;
				case 0x8B: memo = true; break;
				case 0x8C: memo = true; l7 = true; break;
				case 0xF5: memo = true; break;
				default: throw new Error("DBF Unsupported Version: " + ft.toString(16));
			}
			var /*filedate = new Date(),*/ nrow = 0, fpos = 0;
			if (ft == 0x02) nrow = d.read_shift(2);
	/*filedate = new Date(d.read_shift(1) + 1900, d.read_shift(1) - 1, d.read_shift(1));*/d.l += 3;
			if (ft != 0x02) nrow = d.read_shift(4);
			if (ft != 0x02) fpos = d.read_shift(2);
			var rlen = d.read_shift(2);

			var /*flags = 0,*/ current_cp = 1252;
			if (ft != 0x02) {
				d.l += 16;
	/*flags = */d.read_shift(1);
				//if(memo && ((flags & 0x02) === 0)) throw new Error("DBF Flags " + flags.toString(16) + " ft " + ft.toString(16));

				/* codepage present in FoxPro */
				if (d[d.l] !== 0) current_cp = dbf_codepage_map[d[d.l]];
				d.l += 1;

				d.l += 2;
			}
			if (l7) d.l += 36;
			var fields = [], field = ({});
			var hend = fpos - 10 - (vfp ? 264 : 0), ww = l7 ? 32 : 11;
			while (ft == 0x02 ? d.l < d.length && d[d.l] != 0x0d : d.l < hend) {
				field = ({});
				field.name = cptable.utils.decode(current_cp, d.slice(d.l, d.l + ww)).replace(/[\u0000\r\n].*$/g, "");
				d.l += ww;
				field.type = String.fromCharCode(d.read_shift(1));
				if (ft != 0x02 && !l7) field.offset = d.read_shift(4);
				field.len = d.read_shift(1);
				if (ft == 0x02) field.offset = d.read_shift(2);
				field.dec = d.read_shift(1);
				if (field.name.length) fields.push(field);
				if (ft != 0x02) d.l += l7 ? 13 : 14;
				switch (field.type) {
					case 'B': // VFP Double
						if ((!vfp || field.len != 8) && opts.WTF) console.log('Skipping ' + field.name + ':' + field.type);
						break;
					case 'G': // General
					case 'P': // Picture
						if (opts.WTF) console.log('Skipping ' + field.name + ':' + field.type);
						break;
					case 'C': // character
					case 'D': // date
					case 'F': // floating point
					case 'I': // long
					case 'L': // boolean
					case 'M': // memo
					case 'N': // number
					case 'O': // double
					case 'T': // datetime
					case 'Y': // currency
					case '0': // VFP _NullFlags
					case '@': // timestamp
					case '+': // autoincrement
						break;
					default: throw new Error('Unknown Field Type: ' + field.type);
				}
			}
			if (d[d.l] !== 0x0D) d.l = fpos - 1;
			else if (ft == 0x02) d.l = 0x209;
			if (ft != 0x02) {
				if (d.read_shift(1) !== 0x0D) throw new Error("DBF Terminator not found " + d.l + " " + d[d.l]);
				d.l = fpos;
			}
			/* data */
			var R = 0, C = 0;
			out[0] = [];
			for (C = 0; C != fields.length; ++C) out[0][C] = fields[C].name;
			while (nrow-- > 0) {
				if (d[d.l] === 0x2A) { d.l += rlen; continue; }
				++d.l;
				out[++R] = []; C = 0;
				for (C = 0; C != fields.length; ++C) {
					var dd = d.slice(d.l, d.l + fields[C].len); d.l += fields[C].len;
					prep_blob(dd, 0);
					var s = cptable.utils.decode(current_cp, dd);
					switch (fields[C].type) {
						case 'C':
							out[R][C] = cptable.utils.decode(current_cp, dd);
							out[R][C] = out[R][C].trim();
							break;
						case 'D':
							if (s.length === 8) out[R][C] = new Date(+s.slice(0, 4), +s.slice(4, 6) - 1, +s.slice(6, 8));
							else out[R][C] = s;
							break;
						case 'F': out[R][C] = parseFloat(s.trim()); break;
						case '+': case 'I': out[R][C] = l7 ? dd.read_shift(-4, 'i') ^ 0x80000000 : dd.read_shift(4, 'i'); break;
						case 'L': switch (s.toUpperCase()) {
							case 'Y': case 'T': out[R][C] = true; break;
							case 'N': case 'F': out[R][C] = false; break;
							case ' ': case '?': out[R][C] = false; break; /* NOTE: technically uninitialized */
							default: throw new Error("DBF Unrecognized L:|" + s + "|");
						} break;
						case 'M': /* TODO: handle memo files */
							if (!memo) throw new Error("DBF Unexpected MEMO for type " + ft.toString(16));
							out[R][C] = "##MEMO##" + (l7 ? parseInt(s.trim(), 10) : dd.read_shift(4));
							break;
						case 'N': out[R][C] = +s.replace(/\u0000/g, "").trim(); break;
						case '@': out[R][C] = new Date(dd.read_shift(-8, 'f') - 0x388317533400); break;
						case 'T': out[R][C] = new Date((dd.read_shift(4) - 0x253D8C) * 0x5265C00 + dd.read_shift(4)); break;
						case 'Y': out[R][C] = dd.read_shift(4, 'i') / 1e4; break;
						case 'O': out[R][C] = -dd.read_shift(-8, 'f'); break;
						case 'B': if (vfp && fields[C].len == 8) { out[R][C] = dd.read_shift(8, 'f'); break; }
						/* falls through */
						case 'G': case 'P': dd.l += fields[C].len; break;
						case '0':
							if (fields[C].name === '_NullFlags') break;
						/* falls through */
						default: throw new Error("DBF Unsupported data type " + fields[C].type);
					}
				}
			}
			if (ft != 0x02) if (d.l < d.length && d[d.l++] != 0x1A) throw new Error("DBF EOF Marker missing " + (d.l - 1) + " of " + d.length + " " + d[d.l - 1].toString(16));
			if (opts && opts.sheetRows) out = out.slice(0, opts.sheetRows);
			return out;
		}

		function dbf_to_sheet(buf, opts) {
			var o = opts || {};
			if (!o.dateNF) o.dateNF = "yyyymmdd";
			return aoa_to_sheet(dbf_to_aoa(buf, o), o);
		}

		function dbf_to_workbook(buf, opts) {
			try { return sheet_to_workbook(dbf_to_sheet(buf, opts), opts); }
			catch (e) { if (opts && opts.WTF) throw e; }
			return ({ SheetNames: [], Sheets: {} });
		}

		var _RLEN = { 'B': 8, 'C': 250, 'L': 1, 'D': 8, '?': 0, '': 0 };
		function sheet_to_dbf(ws, opts) {
			var o = opts || {};
			if (+o.codepage >= 0) set_cp(+o.codepage);
			if (o.type == "string") throw new Error("Cannot write DBF to JS string");
			var ba = buf_array();
			var aoa = sheet_to_json(ws, { header: 1, raw: true, cellDates: true });
			var headers = aoa[0], data = aoa.slice(1);
			var i = 0, j = 0, hcnt = 0, rlen = 1;
			for (i = 0; i < headers.length; ++i) {
				if (i == null) continue;
				++hcnt;
				if (typeof headers[i] === 'number') headers[i] = headers[i].toString(10);
				if (typeof headers[i] !== 'string') throw new Error("DBF Invalid column name " + headers[i] + " |" + (typeof headers[i]) + "|");
				if (headers.indexOf(headers[i]) !== i) for (j = 0; j < 1024; ++j)
					if (headers.indexOf(headers[i] + "_" + j) == -1) { headers[i] += "_" + j; break; }
			}
			var range = safe_decode_range(ws['!ref']);
			var coltypes = [];
			for (i = 0; i <= range.e.c - range.s.c; ++i) {
				var col = [];
				for (j = 0; j < data.length; ++j) {
					if (data[j][i] != null) col.push(data[j][i]);
				}
				if (col.length == 0 || headers[i] == null) { coltypes[i] = '?'; continue; }
				var guess = '', _guess = '';
				for (j = 0; j < col.length; ++j) {
					switch (typeof col[j]) {
						/* TODO: check if L2 compat is desired */
						case 'number': _guess = 'B'; break;
						case 'string': _guess = 'C'; break;
						case 'boolean': _guess = 'L'; break;
						case 'object': _guess = col[j] instanceof Date ? 'D' : 'C'; break;
						default: _guess = 'C';
					}
					guess = guess && guess != _guess ? 'C' : _guess;
					if (guess == 'C') break;
				}
				rlen += _RLEN[guess] || 0;
				coltypes[i] = guess;
			}

			var h = ba.next(32);
			h.write_shift(4, 0x13021130);
			h.write_shift(4, data.length);
			h.write_shift(2, 296 + 32 * hcnt);
			h.write_shift(2, rlen);
			for (i = 0; i < 4; ++i) h.write_shift(4, 0);
			h.write_shift(4, 0x00000000 | ((+dbf_reverse_map[current_ansi] || 0x03) << 8));

			for (i = 0, j = 0; i < headers.length; ++i) {
				if (headers[i] == null) continue;
				var hf = ba.next(32);
				var _f = (headers[i].slice(-10) + "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00").slice(0, 11);
				hf.write_shift(1, _f, "sbcs");
				hf.write_shift(1, coltypes[i] == '?' ? 'C' : coltypes[i], "sbcs");
				hf.write_shift(4, j);
				hf.write_shift(1, _RLEN[coltypes[i]] || 0);
				hf.write_shift(1, 0);
				hf.write_shift(1, 0x02);
				hf.write_shift(4, 0);
				hf.write_shift(1, 0);
				hf.write_shift(4, 0);
				hf.write_shift(4, 0);
				j += _RLEN[coltypes[i]] || 0;
			}

			var hb = ba.next(264);
			hb.write_shift(4, 0x0000000D);
			for (i = 0; i < 65; ++i) hb.write_shift(4, 0x00000000);
			for (i = 0; i < data.length; ++i) {
				var rout = ba.next(rlen);
				rout.write_shift(1, 0);
				for (j = 0; j < headers.length; ++j) {
					if (headers[j] == null) continue;
					switch (coltypes[j]) {
						case 'L': rout.write_shift(1, data[i][j] == null ? 0x3F : data[i][j] ? 0x54 : 0x46); break;
						case 'B': rout.write_shift(8, data[i][j] || 0, 'f'); break;
						case 'D':
							if (!data[i][j]) rout.write_shift(8, "00000000", "sbcs");
							else {
								rout.write_shift(4, ("0000" + data[i][j].getFullYear()).slice(-4), "sbcs");
								rout.write_shift(2, ("00" + (data[i][j].getMonth() + 1)).slice(-2), "sbcs");
								rout.write_shift(2, ("00" + data[i][j].getDate()).slice(-2), "sbcs");
							} break;
						case 'C':
							var _s = String(data[i][j] || "");
							rout.write_shift(1, _s, "sbcs");
							for (hcnt = 0; hcnt < 250 - _s.length; ++hcnt) rout.write_shift(1, 0x20); break;
					}
				}
				// data
			}
			ba.next(1).write_shift(1, 0x1A);
			return ba.end();
		}
		return {
			to_workbook: dbf_to_workbook,
			to_sheet: dbf_to_sheet,
			from_sheet: sheet_to_dbf
		};
	})();

	var SYLK = (function () {
		/* TODO: stress test sequences */
		var sylk_escapes = ({
			AA: 'À', BA: 'Á', CA: 'Â', DA: 195, HA: 'Ä', JA: 197,
			AE: 'È', BE: 'É', CE: 'Ê', HE: 'Ë',
			AI: 'Ì', BI: 'Í', CI: 'Î', HI: 'Ï',
			AO: 'Ò', BO: 'Ó', CO: 'Ô', DO: 213, HO: 'Ö',
			AU: 'Ù', BU: 'Ú', CU: 'Û', HU: 'Ü',
			Aa: 'à', Ba: 'á', Ca: 'â', Da: 227, Ha: 'ä', Ja: 229,
			Ae: 'è', Be: 'é', Ce: 'ê', He: 'ë',
			Ai: 'ì', Bi: 'í', Ci: 'î', Hi: 'ï',
			Ao: 'ò', Bo: 'ó', Co: 'ô', Do: 245, Ho: 'ö',
			Au: 'ù', Bu: 'ú', Cu: 'û', Hu: 'ü',
			KC: 'Ç', Kc: 'ç', q: 'æ', z: 'œ', a: 'Æ', j: 'Œ',
			DN: 209, Dn: 241, Hy: 255,
			S: 169, c: 170, R: 174, B: 180,
			0: 176, 1: 177, 2: 178,
			3: 179, 5: 181, 6: 182,
			7: 183, Q: 185, k: 186, b: 208, i: 216, l: 222, s: 240, y: 248,
			"!": 161, '"': 162, "#": 163, "(": 164, "%": 165, "'": 167, "H ": 168,
			"+": 171, ";": 187, "<": 188, "=": 189, ">": 190, "?": 191, "{": 223
		});
		var sylk_char_regex = new RegExp("\u001BN(" + keys(sylk_escapes).join("|").replace(/\|\|\|/, "|\\||").replace(/([?()+])/g, "\\$1") + "|\\|)", "gm");
		var sylk_char_fn = function (_, $1) { var o = sylk_escapes[$1]; return typeof o == "number" ? _getansi(o) : o; };
		var decode_sylk_char = function ($$, $1, $2) { var newcc = (($1.charCodeAt(0) - 0x20) << 4) | ($2.charCodeAt(0) - 0x30); return newcc == 59 ? $$ : _getansi(newcc); };
		sylk_escapes["|"] = 254;
		/* TODO: find an actual specification */
		function sylk_to_aoa(d, opts) {
			switch (opts.type) {
				case 'base64': return sylk_to_aoa_str(Base64.decode(d), opts);
				case 'binary': return sylk_to_aoa_str(d, opts);
				case 'buffer': return sylk_to_aoa_str(d.toString('binary'), opts);
				case 'array': return sylk_to_aoa_str(cc2str(d), opts);
			}
			throw new Error("Unrecognized type " + opts.type);
		}
		function sylk_to_aoa_str(str, opts) {
			var records = str.split(/[\n\r]+/), R = -1, C = -1, ri = 0, rj = 0, arr = [];
			var formats = [];
			var next_cell_format = null;
			var sht = {}, rowinfo = [], colinfo = [], cw = [];
			var Mval = 0, j;
			if (+opts.codepage >= 0) set_cp(+opts.codepage);
			for (; ri !== records.length; ++ri) {
				Mval = 0;
				var rstr = records[ri].trim().replace(/\x1B([\x20-\x2F])([\x30-\x3F])/g, decode_sylk_char).replace(sylk_char_regex, sylk_char_fn);
				var record = rstr.replace(/;;/g, "\u0000").split(";").map(function (x) { return x.replace(/\u0000/g, ";"); });
				var RT = record[0], val;
				if (rstr.length > 0) switch (RT) {
					case 'ID': break; /* header */
					case 'E': break; /* EOF */
					case 'B': break; /* dimensions */
					case 'O': break; /* options? */
					case 'P':
						if (record[1].charAt(0) == 'P')
							formats.push(rstr.slice(3).replace(/;;/g, ";"));
						break;
					case 'C':
						var C_seen_K = false, C_seen_X = false;
						for (rj = 1; rj < record.length; ++rj) switch (record[rj].charAt(0)) {
							case 'X': C = parseInt(record[rj].slice(1)) - 1; C_seen_X = true; break;
							case 'Y':
								R = parseInt(record[rj].slice(1)) - 1; if (!C_seen_X) C = 0;
								for (j = arr.length; j <= R; ++j) arr[j] = [];
								break;
							case 'K':
								val = record[rj].slice(1);
								if (val.charAt(0) === '"') val = val.slice(1, val.length - 1);
								else if (val === 'TRUE') val = true;
								else if (val === 'FALSE') val = false;
								else if (!isNaN(fuzzynum(val))) {
									val = fuzzynum(val);
									if (next_cell_format !== null && SSF.is_date(next_cell_format)) val = numdate(val);
								} else if (!isNaN(fuzzydate(val).getDate())) {
									val = parseDate(val);
								}
								if (typeof cptable !== 'undefined' && typeof val == "string" && ((opts || {}).type != "string") && (opts || {}).codepage) val = cptable.utils.decode(opts.codepage, val);
								C_seen_K = true;
								break;
							case 'E':
								var formula = rc_to_a1(record[rj].slice(1), { r: R, c: C });
								arr[R][C] = [arr[R][C], formula];
								break;
							default: if (opts && opts.WTF) throw new Error("SYLK bad record " + rstr);
						}
						if (C_seen_K) { arr[R][C] = val; next_cell_format = null; }
						break;
					case 'F':
						var F_seen = 0;
						for (rj = 1; rj < record.length; ++rj) switch (record[rj].charAt(0)) {
							case 'X': C = parseInt(record[rj].slice(1)) - 1; ++F_seen; break;
							case 'Y':
								R = parseInt(record[rj].slice(1)) - 1; /*C = 0;*/
								for (j = arr.length; j <= R; ++j) arr[j] = [];
								break;
							case 'M': Mval = parseInt(record[rj].slice(1)) / 20; break;
							case 'F': break; /* ??? */
							case 'G': break; /* hide grid */
							case 'P':
								next_cell_format = formats[parseInt(record[rj].slice(1))];
								break;
							case 'S': break; /* cell style */
							case 'D': break; /* column */
							case 'N': break; /* font */
							case 'W':
								cw = record[rj].slice(1).split(" ");
								for (j = parseInt(cw[0], 10); j <= parseInt(cw[1], 10); ++j) {
									Mval = parseInt(cw[2], 10);
									colinfo[j - 1] = Mval === 0 ? { hidden: true } : { wch: Mval }; process_col(colinfo[j - 1]);
								} break;
							case 'C': /* default column format */
								C = parseInt(record[rj].slice(1)) - 1;
								if (!colinfo[C]) colinfo[C] = {};
								break;
							case 'R': /* row properties */
								R = parseInt(record[rj].slice(1)) - 1;
								if (!rowinfo[R]) rowinfo[R] = {};
								if (Mval > 0) { rowinfo[R].hpt = Mval; rowinfo[R].hpx = pt2px(Mval); }
								else if (Mval === 0) rowinfo[R].hidden = true;
								break;
							default: if (opts && opts.WTF) throw new Error("SYLK bad record " + rstr);
						}
						if (F_seen < 1) next_cell_format = null; break;
					default: if (opts && opts.WTF) throw new Error("SYLK bad record " + rstr);
				}
			}
			if (rowinfo.length > 0) sht['!rows'] = rowinfo;
			if (colinfo.length > 0) sht['!cols'] = colinfo;
			if (opts && opts.sheetRows) arr = arr.slice(0, opts.sheetRows);
			return [arr, sht];
		}

		function sylk_to_sheet(d, opts) {
			var aoasht = sylk_to_aoa(d, opts);
			var aoa = aoasht[0], ws = aoasht[1];
			var o = aoa_to_sheet(aoa, opts);
			keys(ws).forEach(function (k) { o[k] = ws[k]; });
			return o;
		}

		function sylk_to_workbook(d, opts) { return sheet_to_workbook(sylk_to_sheet(d, opts), opts); }

		function write_ws_cell_sylk(cell, ws, R, C) {
			var o = "C;Y" + (R + 1) + ";X" + (C + 1) + ";K";
			switch (cell.t) {
				case 'n':
					o += (cell.v || 0);
					if (cell.f && !cell.F) o += ";E" + a1_to_rc(cell.f, { r: R, c: C }); break;
				case 'b': o += cell.v ? "TRUE" : "FALSE"; break;
				case 'e': o += cell.w || cell.v; break;
				case 'd': o += '"' + (cell.w || cell.v) + '"'; break;
				case 's': o += '"' + cell.v.replace(/"/g, "") + '"'; break;
			}
			return o;
		}

		function write_ws_cols_sylk(out, cols) {
			cols.forEach(function (col, i) {
				var rec = "F;W" + (i + 1) + " " + (i + 1) + " ";
				if (col.hidden) rec += "0";
				else {
					if (typeof col.width == 'number') col.wpx = width2px(col.width);
					if (typeof col.wpx == 'number') col.wch = px2char(col.wpx);
					if (typeof col.wch == 'number') rec += Math.round(col.wch);
				}
				if (rec.charAt(rec.length - 1) != " ") out.push(rec);
			});
		}

		function write_ws_rows_sylk(out, rows) {
			rows.forEach(function (row, i) {
				var rec = "F;";
				if (row.hidden) rec += "M0;";
				else if (row.hpt) rec += "M" + 20 * row.hpt + ";";
				else if (row.hpx) rec += "M" + 20 * px2pt(row.hpx) + ";";
				if (rec.length > 2) out.push(rec + "R" + (i + 1));
			});
		}

		function sheet_to_sylk(ws, opts) {
			var preamble = ["ID;PWXL;N;E"], o = [];
			var r = safe_decode_range(ws['!ref']), cell;
			var dense = Array.isArray(ws);
			var RS = "\r\n";

			preamble.push("P;PGeneral");
			preamble.push("F;P0;DG0G8;M255");
			if (ws['!cols']) write_ws_cols_sylk(preamble, ws['!cols']);
			if (ws['!rows']) write_ws_rows_sylk(preamble, ws['!rows']);

			preamble.push("B;Y" + (r.e.r - r.s.r + 1) + ";X" + (r.e.c - r.s.c + 1) + ";D" + [r.s.c, r.s.r, r.e.c, r.e.r].join(" "));
			for (var R = r.s.r; R <= r.e.r; ++R) {
				for (var C = r.s.c; C <= r.e.c; ++C) {
					var coord = encode_cell({ r: R, c: C });
					cell = dense ? (ws[R] || [])[C] : ws[coord];
					if (!cell || (cell.v == null && (!cell.f || cell.F))) continue;
					o.push(write_ws_cell_sylk(cell, ws, R, C, opts));
				}
			}
			return preamble.join(RS) + RS + o.join(RS) + RS + "E" + RS;
		}

		return {
			to_workbook: sylk_to_workbook,
			to_sheet: sylk_to_sheet,
			from_sheet: sheet_to_sylk
		};
	})();

	var DIF = (function () {
		function dif_to_aoa(d, opts) {
			switch (opts.type) {
				case 'base64': return dif_to_aoa_str(Base64.decode(d), opts);
				case 'binary': return dif_to_aoa_str(d, opts);
				case 'buffer': return dif_to_aoa_str(d.toString('binary'), opts);
				case 'array': return dif_to_aoa_str(cc2str(d), opts);
			}
			throw new Error("Unrecognized type " + opts.type);
		}
		function dif_to_aoa_str(str, opts) {
			var records = str.split('\n'), R = -1, C = -1, ri = 0, arr = [];
			for (; ri !== records.length; ++ri) {
				if (records[ri].trim() === 'BOT') { arr[++R] = []; C = 0; continue; }
				if (R < 0) continue;
				var metadata = records[ri].trim().split(",");
				var type = metadata[0], value = metadata[1];
				++ri;
				var data = records[ri].trim();
				switch (+type) {
					case -1:
						if (data === 'BOT') { arr[++R] = []; C = 0; continue; }
						else if (data !== 'EOD') throw new Error("Unrecognized DIF special command " + data);
						break;
					case 0:
						if (data === 'TRUE') arr[R][C] = true;
						else if (data === 'FALSE') arr[R][C] = false;
						else if (!isNaN(fuzzynum(value))) arr[R][C] = fuzzynum(value);
						else if (!isNaN(fuzzydate(value).getDate())) arr[R][C] = parseDate(value);
						else arr[R][C] = value;
						++C; break;
					case 1:
						data = data.slice(1, data.length - 1);
						arr[R][C++] = data !== '' ? data : null;
						break;
				}
				if (data === 'EOD') break;
			}
			if (opts && opts.sheetRows) arr = arr.slice(0, opts.sheetRows);
			return arr;
		}

		function dif_to_sheet(str, opts) { return aoa_to_sheet(dif_to_aoa(str, opts), opts); }
		function dif_to_workbook(str, opts) { return sheet_to_workbook(dif_to_sheet(str, opts), opts); }

		var sheet_to_dif = (function () {
			var push_field = function pf(o, topic, v, n, s) {
				o.push(topic);
				o.push(v + "," + n);
				o.push('"' + s.replace(/"/g, '""') + '"');
			};
			var push_value = function po(o, type, v, s) {
				o.push(type + "," + v);
				o.push(type == 1 ? '"' + s.replace(/"/g, '""') + '"' : s);
			};
			return function sheet_to_dif(ws) {
				var o = [];
				var r = safe_decode_range(ws['!ref']), cell;
				var dense = Array.isArray(ws);
				push_field(o, "TABLE", 0, 1, "sheetjs");
				push_field(o, "VECTORS", 0, r.e.r - r.s.r + 1, "");
				push_field(o, "TUPLES", 0, r.e.c - r.s.c + 1, "");
				push_field(o, "DATA", 0, 0, "");
				for (var R = r.s.r; R <= r.e.r; ++R) {
					push_value(o, -1, 0, "BOT");
					for (var C = r.s.c; C <= r.e.c; ++C) {
						var coord = encode_cell({ r: R, c: C });
						cell = dense ? (ws[R] || [])[C] : ws[coord];
						if (!cell) { push_value(o, 1, 0, ""); continue; }
						switch (cell.t) {
							case 'n':
								var val = DIF_XL ? cell.w : cell.v;
								if (!val && cell.v != null) val = cell.v;
								if (val == null) {
									if (DIF_XL && cell.f && !cell.F) push_value(o, 1, 0, "=" + cell.f);
									else push_value(o, 1, 0, "");
								}
								else push_value(o, 0, val, "V");
								break;
							case 'b':
								push_value(o, 0, cell.v ? 1 : 0, cell.v ? "TRUE" : "FALSE");
								break;
							case 's':
								push_value(o, 1, 0, (!DIF_XL || isNaN(cell.v)) ? cell.v : '="' + cell.v + '"');
								break;
							case 'd':
								if (!cell.w) cell.w = SSF.format(cell.z || SSF._table[14], datenum(parseDate(cell.v)));
								if (DIF_XL) push_value(o, 0, cell.w, "V");
								else push_value(o, 1, 0, cell.w);
								break;
							default: push_value(o, 1, 0, "");
						}
					}
				}
				push_value(o, -1, 0, "EOD");
				var RS = "\r\n";
				var oo = o.join(RS);
				//while((oo.length & 0x7F) != 0) oo += "\0";
				return oo;
			};
		})();
		return {
			to_workbook: dif_to_workbook,
			to_sheet: dif_to_sheet,
			from_sheet: sheet_to_dif
		};
	})();

	var ETH = (function () {
		function decode(s) { return s.replace(/\\b/g, "\\").replace(/\\c/g, ":").replace(/\\n/g, "\n"); }
		function encode(s) { return s.replace(/\\/g, "\\b").replace(/:/g, "\\c").replace(/\n/g, "\\n"); }

		function eth_to_aoa(str, opts) {
			var records = str.split('\n'), R = -1, C = -1, ri = 0, arr = [];
			for (; ri !== records.length; ++ri) {
				var record = records[ri].trim().split(":");
				if (record[0] !== 'cell') continue;
				var addr = decode_cell(record[1]);
				if (arr.length <= addr.r) for (R = arr.length; R <= addr.r; ++R) if (!arr[R]) arr[R] = [];
				R = addr.r; C = addr.c;
				switch (record[2]) {
					case 't': arr[R][C] = decode(record[3]); break;
					case 'v': arr[R][C] = +record[3]; break;
					case 'vtf': var _f = record[record.length - 1];
					/* falls through */
					case 'vtc':
						switch (record[3]) {
							case 'nl': arr[R][C] = +record[4] ? true : false; break;
							default: arr[R][C] = +record[4]; break;
						}
						if (record[2] == 'vtf') arr[R][C] = [arr[R][C], _f];
				}
			}
			if (opts && opts.sheetRows) arr = arr.slice(0, opts.sheetRows);
			return arr;
		}

		function eth_to_sheet(d, opts) { return aoa_to_sheet(eth_to_aoa(d, opts), opts); }
		function eth_to_workbook(d, opts) { return sheet_to_workbook(eth_to_sheet(d, opts), opts); }

		var header = [
			"socialcalc:version:1.5",
			"MIME-Version: 1.0",
			"Content-Type: multipart/mixed; boundary=SocialCalcSpreadsheetControlSave"
		].join("\n");

		var sep = [
			"--SocialCalcSpreadsheetControlSave",
			"Content-type: text/plain; charset=UTF-8"
		].join("\n") + "\n";

		/* TODO: the other parts */
		var meta = [
			"# SocialCalc Spreadsheet Control Save",
			"part:sheet"
		].join("\n");

		var end = "--SocialCalcSpreadsheetControlSave--";

		function sheet_to_eth_data(ws) {
			if (!ws || !ws['!ref']) return "";
			var o = [], oo = [], cell, coord = "";
			var r = decode_range(ws['!ref']);
			var dense = Array.isArray(ws);
			for (var R = r.s.r; R <= r.e.r; ++R) {
				for (var C = r.s.c; C <= r.e.c; ++C) {
					coord = encode_cell({ r: R, c: C });
					cell = dense ? (ws[R] || [])[C] : ws[coord];
					if (!cell || cell.v == null || cell.t === 'z') continue;
					oo = ["cell", coord, 't'];
					switch (cell.t) {
						case 's': case 'str': oo.push(encode(cell.v)); break;
						case 'n':
							if (!cell.f) { oo[2] = 'v'; oo[3] = cell.v; }
							else { oo[2] = 'vtf'; oo[3] = 'n'; oo[4] = cell.v; oo[5] = encode(cell.f); }
							break;
						case 'b':
							oo[2] = 'vt' + (cell.f ? 'f' : 'c'); oo[3] = 'nl'; oo[4] = cell.v ? "1" : "0";
							oo[5] = encode(cell.f || (cell.v ? 'TRUE' : 'FALSE'));
							break;
						case 'd':
							var t = datenum(parseDate(cell.v));
							oo[2] = 'vtc'; oo[3] = 'nd'; oo[4] = "" + t;
							oo[5] = cell.w || SSF.format(cell.z || SSF._table[14], t);
							break;
						case 'e': continue;
					}
					o.push(oo.join(":"));
				}
			}
			o.push("sheet:c:" + (r.e.c - r.s.c + 1) + ":r:" + (r.e.r - r.s.r + 1) + ":tvf:1");
			o.push("valueformat:1:text-wiki");
			//o.push("copiedfrom:" + ws['!ref']); // clipboard only
			return o.join("\n");
		}

		function sheet_to_eth(ws) {
			return [header, sep, meta, sep, sheet_to_eth_data(ws), end].join("\n");
			// return ["version:1.5", sheet_to_eth_data(ws)].join("\n"); // clipboard form
		}

		return {
			to_workbook: eth_to_workbook,
			to_sheet: eth_to_sheet,
			from_sheet: sheet_to_eth
		};
	})();

	var PRN = (function () {
		function set_text_arr(data, arr, R, C, o) {
			if (o.raw) arr[R][C] = data;
			else if (data === 'TRUE') arr[R][C] = true;
			else if (data === 'FALSE') arr[R][C] = false;
			else if (data === "") {/* empty */ }
			else if (!isNaN(fuzzynum(data))) arr[R][C] = fuzzynum(data);
			else if (!isNaN(fuzzydate(data).getDate())) arr[R][C] = parseDate(data);
			else arr[R][C] = data;
		}

		function prn_to_aoa_str(f, opts) {
			var o = opts || {};
			var arr = ([]);
			if (!f || f.length === 0) return arr;
			var lines = f.split(/[\r\n]/);
			var L = lines.length - 1;
			while (L >= 0 && lines[L].length === 0) --L;
			var start = 10, idx = 0;
			var R = 0;
			for (; R <= L; ++R) {
				idx = lines[R].indexOf(" ");
				if (idx == -1) idx = lines[R].length; else idx++;
				start = Math.max(start, idx);
			}
			for (R = 0; R <= L; ++R) {
				arr[R] = [];
				/* TODO: confirm that widths are always 10 */
				var C = 0;
				set_text_arr(lines[R].slice(0, start).trim(), arr, R, C, o);
				for (C = 1; C <= (lines[R].length - start) / 10 + 1; ++C)
					set_text_arr(lines[R].slice(start + (C - 1) * 10, start + C * 10).trim(), arr, R, C, o);
			}
			if (o.sheetRows) arr = arr.slice(0, o.sheetRows);
			return arr;
		}

		// List of accepted CSV separators
		var guess_seps = {
			0x2C: ',',
			0x09: "\t",
			0x3B: ';'
		};

		// CSV separator weights to be used in case of equal numbers
		var guess_sep_weights = {
			0x2C: 3,
			0x09: 2,
			0x3B: 1
		};

		function guess_sep(str) {
			var cnt = {}, instr = false, end = 0, cc = 0;
			for (; end < str.length; ++end) {
				if ((cc = str.charCodeAt(end)) == 0x22) instr = !instr;
				else if (!instr && cc in guess_seps) cnt[cc] = (cnt[cc] || 0) + 1;
			}

			cc = [];
			for (end in cnt) if (cnt.hasOwnProperty(end)) {
				cc.push([cnt[end], end]);
			}

			if (!cc.length) {
				cnt = guess_sep_weights;
				for (end in cnt) if (cnt.hasOwnProperty(end)) {
					cc.push([cnt[end], end]);
				}
			}

			cc.sort(function (a, b) { return a[0] - b[0] || guess_sep_weights[a[1]] - guess_sep_weights[b[1]]; });

			return guess_seps[cc.pop()[1]];
		}

		function dsv_to_sheet_str(str, opts) {
			var o = opts || {};
			var sep = "";
			if (DENSE != null && o.dense == null) o.dense = DENSE;
			var ws = o.dense ? ([]) : ({});
			var range = ({ s: { c: 0, r: 0 }, e: { c: 0, r: 0 } });

			if (str.slice(0, 4) == "sep=" && str.charCodeAt(5) == 10) { sep = str.charAt(4); str = str.slice(6); }
			else sep = guess_sep(str.slice(0, 1024));
			var R = 0, C = 0, v = 0;
			var start = 0, end = 0, sepcc = sep.charCodeAt(0), instr = false, cc = 0;
			str = str.replace(/\r\n/mg, "\n");
			var _re = o.dateNF != null ? dateNF_regex(o.dateNF) : null;
			function finish_cell() {
				var s = str.slice(start, end);
				var cell = ({});
				if (s.charAt(0) == '"' && s.charAt(s.length - 1) == '"') s = s.slice(1, -1).replace(/""/g, '"');
				if (s.length === 0) cell.t = 'z';
				else if (o.raw) { cell.t = 's'; cell.v = s; }
				else if (s.trim().length === 0) { cell.t = 's'; cell.v = s; }
				else if (s.charCodeAt(0) == 0x3D) {
					if (s.charCodeAt(1) == 0x22 && s.charCodeAt(s.length - 1) == 0x22) { cell.t = 's'; cell.v = s.slice(2, -1).replace(/""/g, '"'); }
					else if (fuzzyfmla(s)) { cell.t = 'n'; cell.f = s.slice(1); }
					else { cell.t = 's'; cell.v = s; }
				}
				else if (s == "TRUE") { cell.t = 'b'; cell.v = true; }
				else if (s == "FALSE") { cell.t = 'b'; cell.v = false; }
				else if (!isNaN(v = fuzzynum(s))) { cell.t = 'n'; if (o.cellText !== false) cell.w = s; cell.v = v; }
				else if (!isNaN(fuzzydate(s).getDate()) || _re && s.match(_re)) {
					cell.z = o.dateNF || SSF._table[14];
					var k = 0;
					if (_re && s.match(_re)) { s = dateNF_fix(s, o.dateNF, (s.match(_re) || [])); k = 1; }
					if (o.cellDates) { cell.t = 'd'; cell.v = parseDate(s, k); }
					else { cell.t = 'n'; cell.v = datenum(parseDate(s, k)); }
					if (o.cellText !== false) cell.w = SSF.format(cell.z, cell.v instanceof Date ? datenum(cell.v) : cell.v);
					if (!o.cellNF) delete cell.z;
				} else {
					cell.t = 's';
					cell.v = s;
				}
				if (cell.t == 'z') { }
				else if (o.dense) { if (!ws[R]) ws[R] = []; ws[R][C] = cell; }
				else ws[encode_cell({ c: C, r: R })] = cell;
				start = end + 1;
				if (range.e.c < C) range.e.c = C;
				if (range.e.r < R) range.e.r = R;
				if (cc == sepcc) ++C; else { C = 0; ++R; if (o.sheetRows && o.sheetRows <= R) return true; }
			}
			outer: for (; end < str.length; ++end) switch ((cc = str.charCodeAt(end))) {
				case 0x22: instr = !instr; break;
				case sepcc: case 0x0a: case 0x0d: if (!instr && finish_cell()) break outer; break;
				default: break;
			}
			if (end - start > 0) finish_cell();

			ws['!ref'] = encode_range(range);
			return ws;
		}

		function prn_to_sheet_str(str, opts) {
			if (str.slice(0, 4) == "sep=") return dsv_to_sheet_str(str, opts);
			if (str.indexOf("\t") >= 0 || str.indexOf(",") >= 0 || str.indexOf(";") >= 0) return dsv_to_sheet_str(str, opts);
			return aoa_to_sheet(prn_to_aoa_str(str, opts), opts);
		}

		function prn_to_sheet(d, opts) {
			var str = "", bytes = opts.type == 'string' ? [0, 0, 0, 0] : firstbyte(d, opts);
			switch (opts.type) {
				case 'base64': str = Base64.decode(d); break;
				case 'binary': str = d; break;
				case 'buffer':
					if (opts.codepage == 65001) str = d.toString('utf8');
					else if (opts.codepage && typeof cptable !== 'undefined') str = cptable.utils.decode(opts.codepage, d);
					else str = d.toString('binary');
					break;
				case 'array': str = cc2str(d); break;
				case 'string': str = d; break;
				default: throw new Error("Unrecognized type " + opts.type);
			}
			if (bytes[0] == 0xEF && bytes[1] == 0xBB && bytes[2] == 0xBF) str = utf8read(str.slice(3));
			else if ((opts.type == 'binary') && typeof cptable !== 'undefined' && opts.codepage) str = cptable.utils.decode(opts.codepage, cptable.utils.encode(1252, str));
			if (str.slice(0, 19) == "socialcalc:version:") return ETH.to_sheet(opts.type == 'string' ? str : utf8read(str), opts);
			return prn_to_sheet_str(str, opts);
		}

		function prn_to_workbook(d, opts) { return sheet_to_workbook(prn_to_sheet(d, opts), opts); }

		function sheet_to_prn(ws) {
			var o = [];
			var r = safe_decode_range(ws['!ref']), cell;
			var dense = Array.isArray(ws);
			for (var R = r.s.r; R <= r.e.r; ++R) {
				var oo = [];
				for (var C = r.s.c; C <= r.e.c; ++C) {
					var coord = encode_cell({ r: R, c: C });
					cell = dense ? (ws[R] || [])[C] : ws[coord];
					if (!cell || cell.v == null) { oo.push("          "); continue; }
					var w = (cell.w || (format_cell(cell), cell.w) || "").slice(0, 10);
					while (w.length < 10) w += " ";
					oo.push(w + (C === 0 ? " " : ""));
				}
				o.push(oo.join(""));
			}
			return o.join("\n");
		}

		return {
			to_workbook: prn_to_workbook,
			to_sheet: prn_to_sheet,
			from_sheet: sheet_to_prn
		};
	})();

	/* Excel defaults to SYLK but warns if data is not valid */
	function read_wb_ID(d, opts) {
		var o = opts || {}, OLD_WTF = !!o.WTF; o.WTF = true;
		try {
			var out = SYLK.to_workbook(d, o);
			o.WTF = OLD_WTF;
			return out;
		} catch (e) {
			o.WTF = OLD_WTF;
			if (!e.message.match(/SYLK bad record ID/) && OLD_WTF) throw e;
			return PRN.to_workbook(d, opts);
		}
	}

	var WK_ = (function () {
		function lotushopper(data, cb, opts) {
			if (!data) return;
			prep_blob(data, data.l || 0);
			var Enum = opts.Enum || WK1Enum;
			while (data.l < data.length) {
				var RT = data.read_shift(2);
				var R = Enum[RT] || Enum[0xFF];
				var length = data.read_shift(2);
				var tgt = data.l + length;
				var d = (R.f || parsenoop)(data, length, opts);
				data.l = tgt;
				if (cb(d, R.n, RT)) return;
			}
		}

		function lotus_to_workbook(d, opts) {
			switch (opts.type) {
				case 'base64': return lotus_to_workbook_buf(s2a(Base64.decode(d)), opts);
				case 'binary': return lotus_to_workbook_buf(s2a(d), opts);
				case 'buffer':
				case 'array': return lotus_to_workbook_buf(d, opts);
			}
			throw "Unsupported type " + opts.type;
		}

		function lotus_to_workbook_buf(d, opts) {
			if (!d) return d;
			var o = opts || {};
			if (DENSE != null && o.dense == null) o.dense = DENSE;
			var s = ((o.dense ? [] : {})), n = "Sheet1", sidx = 0;
			var sheets = {}, snames = [n];

			var refguess = { s: { r: 0, c: 0 }, e: { r: 0, c: 0 } };
			var sheetRows = o.sheetRows || 0;

			if (d[2] == 0x02) o.Enum = WK1Enum;
			else if (d[2] == 0x1a) o.Enum = WK3Enum;
			else if (d[2] == 0x0e) { o.Enum = WK3Enum; o.qpro = true; d.l = 0; }
			else throw new Error("Unrecognized LOTUS BOF " + d[2]);
			lotushopper(d, function (val, Rn, RT) {
				if (d[2] == 0x02) switch (RT) {
					case 0x00:
						o.vers = val;
						if (val >= 0x1000) o.qpro = true;
						break;
					case 0x06: refguess = val; break; /* RANGE */
					case 0x0F: /* LABEL */
						if (!o.qpro) val[1].v = val[1].v.slice(1);
					/* falls through */
					case 0x0D: /* INTEGER */
					case 0x0E: /* NUMBER */
					case 0x10: /* FORMULA */
					case 0x33: /* STRING */
						/* TODO: actual translation of the format code */
						if (RT == 0x0E && (val[2] & 0x70) == 0x70 && (val[2] & 0x0F) > 1 && (val[2] & 0x0F) < 15) {
							val[1].z = o.dateNF || SSF._table[14];
							if (o.cellDates) { val[1].t = 'd'; val[1].v = numdate(val[1].v); }
						}
						if (o.dense) {
							if (!s[val[0].r]) s[val[0].r] = [];
							s[val[0].r][val[0].c] = val[1];
						} else s[encode_cell(val[0])] = val[1];
						break;
				} else switch (RT) {
					case 0x16: /* LABEL16 */
						val[1].v = val[1].v.slice(1);
					/* falls through */
					case 0x17: /* NUMBER17 */
					case 0x18: /* NUMBER18 */
					case 0x19: /* FORMULA19 */
					case 0x25: /* NUMBER25 */
					case 0x27: /* NUMBER27 */
					case 0x28: /* FORMULA28 */
						if (val[3] > sidx) {
							s["!ref"] = encode_range(refguess);
							sheets[n] = s;
							s = (o.dense ? [] : {});
							refguess = { s: { r: 0, c: 0 }, e: { r: 0, c: 0 } };
							sidx = val[3]; n = "Sheet" + (sidx + 1);
							snames.push(n);
						}
						if (sheetRows > 0 && val[0].r >= sheetRows) break;
						if (o.dense) {
							if (!s[val[0].r]) s[val[0].r] = [];
							s[val[0].r][val[0].c] = val[1];
						} else s[encode_cell(val[0])] = val[1];
						if (refguess.e.c < val[0].c) refguess.e.c = val[0].c;
						if (refguess.e.r < val[0].r) refguess.e.r = val[0].r;
						break;
					default: break;
				}
			}, o);

			s["!ref"] = encode_range(refguess);
			sheets[n] = s;
			return { SheetNames: snames, Sheets: sheets };
		}

		function parse_RANGE(blob) {
			var o = { s: { c: 0, r: 0 }, e: { c: 0, r: 0 } };
			o.s.c = blob.read_shift(2);
			o.s.r = blob.read_shift(2);
			o.e.c = blob.read_shift(2);
			o.e.r = blob.read_shift(2);
			if (o.s.c == 0xFFFF) o.s.c = o.e.c = o.s.r = o.e.r = 0;
			return o;
		}

		function parse_cell(blob, length, opts) {
			var o = [{ c: 0, r: 0 }, { t: 'n', v: 0 }, 0];
			if (opts.qpro && opts.vers != 0x5120) {
				o[0].c = blob.read_shift(1);
				blob.l++;
				o[0].r = blob.read_shift(2);
				blob.l += 2;
			} else {
				o[2] = blob.read_shift(1);
				o[0].c = blob.read_shift(2); o[0].r = blob.read_shift(2);
			}
			return o;
		}

		function parse_LABEL(blob, length, opts) {
			var tgt = blob.l + length;
			var o = parse_cell(blob, length, opts);
			o[1].t = 's';
			if (opts.vers == 0x5120) {
				blob.l++;
				var len = blob.read_shift(1);
				o[1].v = blob.read_shift(len, 'utf8');
				return o;
			}
			if (opts.qpro) blob.l++;
			o[1].v = blob.read_shift(tgt - blob.l, 'cstr');
			return o;
		}

		function parse_INTEGER(blob, length, opts) {
			var o = parse_cell(blob, length, opts);
			o[1].v = blob.read_shift(2, 'i');
			return o;
		}

		function parse_NUMBER(blob, length, opts) {
			var o = parse_cell(blob, length, opts);
			o[1].v = blob.read_shift(8, 'f');
			return o;
		}

		function parse_FORMULA(blob, length, opts) {
			var tgt = blob.l + length;
			var o = parse_cell(blob, length, opts);
			/* TODO: formula */
			o[1].v = blob.read_shift(8, 'f');
			if (opts.qpro) blob.l = tgt;
			else {
				var flen = blob.read_shift(2);
				blob.l += flen;
			}
			return o;
		}

		function parse_cell_3(blob) {
			var o = [{ c: 0, r: 0 }, { t: 'n', v: 0 }, 0];
			o[0].r = blob.read_shift(2); o[3] = blob[blob.l++]; o[0].c = blob[blob.l++];
			return o;
		}

		function parse_LABEL_16(blob, length) {
			var o = parse_cell_3(blob, length);
			o[1].t = 's';
			o[1].v = blob.read_shift(length - 4, 'cstr');
			return o;
		}

		function parse_NUMBER_18(blob, length) {
			var o = parse_cell_3(blob, length);
			o[1].v = blob.read_shift(2);
			var v = o[1].v >> 1;
			/* TODO: figure out all of the corner cases */
			if (o[1].v & 0x1) {
				switch (v & 0x07) {
					case 1: v = (v >> 3) * 500; break;
					case 2: v = (v >> 3) / 20; break;
					case 4: v = (v >> 3) / 2000; break;
					case 6: v = (v >> 3) / 16; break;
					case 7: v = (v >> 3) / 64; break;
					default: throw "unknown NUMBER_18 encoding " + (v & 0x07);
				}
			}
			o[1].v = v;
			return o;
		}

		function parse_NUMBER_17(blob, length) {
			var o = parse_cell_3(blob, length);
			var v1 = blob.read_shift(4);
			var v2 = blob.read_shift(4);
			var e = blob.read_shift(2);
			if (e == 0xFFFF) { o[1].v = 0; return o; }
			var s = e & 0x8000; e = (e & 0x7FFF) - 16446;
			o[1].v = (s * 2 - 1) * ((e > 0 ? (v2 << e) : (v2 >>> -e)) + (e > -32 ? (v1 << (e + 32)) : (v1 >>> -(e + 32))));
			return o;
		}

		function parse_FORMULA_19(blob, length) {
			var o = parse_NUMBER_17(blob, 14);
			blob.l += length - 14; /* TODO: formula */
			return o;
		}

		function parse_NUMBER_25(blob, length) {
			var o = parse_cell_3(blob, length);
			var v1 = blob.read_shift(4);
			o[1].v = v1 >> 6;
			return o;
		}

		function parse_NUMBER_27(blob, length) {
			var o = parse_cell_3(blob, length);
			var v1 = blob.read_shift(8, 'f');
			o[1].v = v1;
			return o;
		}

		function parse_FORMULA_28(blob, length) {
			var o = parse_NUMBER_27(blob, 14);
			blob.l += length - 10; /* TODO: formula */
			return o;
		}

		var WK1Enum = {
			0x0000: { n: "BOF", f: parseuint16 },
			0x0001: { n: "EOF" },
			0x0002: { n: "CALCMODE" },
			0x0003: { n: "CALCORDER" },
			0x0004: { n: "SPLIT" },
			0x0005: { n: "SYNC" },
			0x0006: { n: "RANGE", f: parse_RANGE },
			0x0007: { n: "WINDOW1" },
			0x0008: { n: "COLW1" },
			0x0009: { n: "WINTWO" },
			0x000A: { n: "COLW2" },
			0x000B: { n: "NAME" },
			0x000C: { n: "BLANK" },
			0x000D: { n: "INTEGER", f: parse_INTEGER },
			0x000E: { n: "NUMBER", f: parse_NUMBER },
			0x000F: { n: "LABEL", f: parse_LABEL },
			0x0010: { n: "FORMULA", f: parse_FORMULA },
			0x0018: { n: "TABLE" },
			0x0019: { n: "ORANGE" },
			0x001A: { n: "PRANGE" },
			0x001B: { n: "SRANGE" },
			0x001C: { n: "FRANGE" },
			0x001D: { n: "KRANGE1" },
			0x0020: { n: "HRANGE" },
			0x0023: { n: "KRANGE2" },
			0x0024: { n: "PROTEC" },
			0x0025: { n: "FOOTER" },
			0x0026: { n: "HEADER" },
			0x0027: { n: "SETUP" },
			0x0028: { n: "MARGINS" },
			0x0029: { n: "LABELFMT" },
			0x002A: { n: "TITLES" },
			0x002B: { n: "SHEETJS" },
			0x002D: { n: "GRAPH" },
			0x002E: { n: "NGRAPH" },
			0x002F: { n: "CALCCOUNT" },
			0x0030: { n: "UNFORMATTED" },
			0x0031: { n: "CURSORW12" },
			0x0032: { n: "WINDOW" },
			0x0033: { n: "STRING", f: parse_LABEL },
			0x0037: { n: "PASSWORD" },
			0x0038: { n: "LOCKED" },
			0x003C: { n: "QUERY" },
			0x003D: { n: "QUERYNAME" },
			0x003E: { n: "PRINT" },
			0x003F: { n: "PRINTNAME" },
			0x0040: { n: "GRAPH2" },
			0x0041: { n: "GRAPHNAME" },
			0x0042: { n: "ZOOM" },
			0x0043: { n: "SYMSPLIT" },
			0x0044: { n: "NSROWS" },
			0x0045: { n: "NSCOLS" },
			0x0046: { n: "RULER" },
			0x0047: { n: "NNAME" },
			0x0048: { n: "ACOMM" },
			0x0049: { n: "AMACRO" },
			0x004A: { n: "PARSE" },
			0x00FF: { n: "", f: parsenoop }
		};

		var WK3Enum = {
			0x0000: { n: "BOF" },
			0x0001: { n: "EOF" },
			0x0003: { n: "??" },
			0x0004: { n: "??" },
			0x0005: { n: "??" },
			0x0006: { n: "??" },
			0x0007: { n: "??" },
			0x0009: { n: "??" },
			0x000a: { n: "??" },
			0x000b: { n: "??" },
			0x000c: { n: "??" },
			0x000e: { n: "??" },
			0x000f: { n: "??" },
			0x0010: { n: "??" },
			0x0011: { n: "??" },
			0x0012: { n: "??" },
			0x0013: { n: "??" },
			0x0015: { n: "??" },
			0x0016: { n: "LABEL16", f: parse_LABEL_16 },
			0x0017: { n: "NUMBER17", f: parse_NUMBER_17 },
			0x0018: { n: "NUMBER18", f: parse_NUMBER_18 },
			0x0019: { n: "FORMULA19", f: parse_FORMULA_19 },
			0x001a: { n: "??" },
			0x001b: { n: "??" },
			0x001c: { n: "??" },
			0x001d: { n: "??" },
			0x001e: { n: "??" },
			0x001f: { n: "??" },
			0x0021: { n: "??" },
			0x0025: { n: "NUMBER25", f: parse_NUMBER_25 },
			0x0027: { n: "NUMBER27", f: parse_NUMBER_27 },
			0x0028: { n: "FORMULA28", f: parse_FORMULA_28 },
			0x00FF: { n: "", f: parsenoop }
		};
		return {
			to_workbook: lotus_to_workbook
		};
	})();
	/* 18.4.7 rPr CT_RPrElt */
	function parse_rpr(rpr) {
		var font = {}, m = rpr.match(tagregex), i = 0;
		var pass = false;
		if (m) for (; i != m.length; ++i) {
			var y = parsexmltag(m[i]);
			switch (y[0].replace(/\w*:/g, "")) {
				/* 18.8.12 condense CT_BooleanProperty */
				/* ** not required . */
				case '<condense': break;
				/* 18.8.17 extend CT_BooleanProperty */
				/* ** not required . */
				case '<extend': break;
				/* 18.8.36 shadow CT_BooleanProperty */
				/* ** not required . */
				case '<shadow':
					if (!y.val) break;
				/* falls through */
				case '<shadow>':
				case '<shadow/>': font.shadow = 1; break;
				case '</shadow>': break;

				/* 18.4.1 charset CT_IntProperty TODO */
				case '<charset':
					if (y.val == '1') break;
					font.cp = CS2CP[parseInt(y.val, 10)];
					break;

				/* 18.4.2 outline CT_BooleanProperty TODO */
				case '<outline':
					if (!y.val) break;
				/* falls through */
				case '<outline>':
				case '<outline/>': font.outline = 1; break;
				case '</outline>': break;

				/* 18.4.5 rFont CT_FontName */
				case '<rFont': font.name = y.val; break;

				/* 18.4.11 sz CT_FontSize */
				case '<sz': font.sz = y.val; break;

				/* 18.4.10 strike CT_BooleanProperty */
				case '<strike':
					if (!y.val) break;
				/* falls through */
				case '<strike>':
				case '<strike/>': font.strike = 1; break;
				case '</strike>': break;

				/* 18.4.13 u CT_UnderlineProperty */
				case '<u':
					if (!y.val) break;
					switch (y.val) {
						case 'double': font.uval = "double"; break;
						case 'singleAccounting': font.uval = "single-accounting"; break;
						case 'doubleAccounting': font.uval = "double-accounting"; break;
					}
				/* falls through */
				case '<u>':
				case '<u/>': font.u = 1; break;
				case '</u>': break;

				/* 18.8.2 b */
				case '<b':
					if (y.val == '0') break;
				/* falls through */
				case '<b>':
				case '<b/>': font.b = 1; break;
				case '</b>': break;

				/* 18.8.26 i */
				case '<i':
					if (y.val == '0') break;
				/* falls through */
				case '<i>':
				case '<i/>': font.i = 1; break;
				case '</i>': break;

				/* 18.3.1.15 color CT_Color TODO: tint, theme, auto, indexed */
				case '<color':
					if (y.rgb) font.color = y.rgb.slice(2, 8);
					break;

				/* 18.8.18 family ST_FontFamily */
				case '<family': font.family = y.val; break;

				/* 18.4.14 vertAlign CT_VerticalAlignFontProperty TODO */
				case '<vertAlign': font.valign = y.val; break;

				/* 18.8.35 scheme CT_FontScheme TODO */
				case '<scheme': break;

				/* 18.2.10 extLst CT_ExtensionList ? */
				case '<extLst': case '<extLst>': case '</extLst>': break;
				case '<ext': pass = true; break;
				case '</ext>': pass = false; break;
				default:
					if (y[0].charCodeAt(1) !== 47 && !pass) throw new Error('Unrecognized rich format ' + y[0]);
			}
		}
		return font;
	}

	var parse_rs = (function () {
		var tregex = matchtag("t"), rpregex = matchtag("rPr");
		/* 18.4.4 r CT_RElt */
		function parse_r(r) {
			/* 18.4.12 t ST_Xstring */
			var t = r.match(tregex)/*, cp = 65001*/;
			if (!t) return { t: "s", v: "" };

			var o = ({ t: 's', v: unescapexml(t[1]) });
			var rpr = r.match(rpregex);
			if (rpr) o.s = parse_rpr(rpr[1]);
			return o;
		}
		var rregex = /<(?:\w+:)?r>/g, rend = /<\/(?:\w+:)?r>/;
		return function parse_rs(rs) {
			return rs.replace(rregex, "").split(rend).map(parse_r).filter(function (r) { return r.v; });
		};
	})();


	/* Parse a list of <r> tags */
	var rs_to_html = (function parse_rs_factory() {
		var nlregex = /(\r\n|\n)/g;
		function parse_rpr2(font, intro, outro) {
			var style = [];

			if (font.u) style.push("text-decoration: underline;");
			if (font.uval) style.push("text-underline-style:" + font.uval + ";");
			if (font.sz) style.push("font-size:" + font.sz + "pt;");
			if (font.outline) style.push("text-effect: outline;");
			if (font.shadow) style.push("text-shadow: auto;");
			intro.push('<span style="' + style.join("") + '">');

			if (font.b) { intro.push("<b>"); outro.push("</b>"); }
			if (font.i) { intro.push("<i>"); outro.push("</i>"); }
			if (font.strike) { intro.push("<s>"); outro.push("</s>"); }

			var align = font.valign || "";
			if (align == "superscript" || align == "super") align = "sup";
			else if (align == "subscript") align = "sub";
			if (align != "") { intro.push("<" + align + ">"); outro.push("</" + align + ">"); }

			outro.push("</span>");
			return font;
		}

		/* 18.4.4 r CT_RElt */
		function r_to_html(r) {
			var terms = [[], r.v, []];
			if (!r.v) return "";

			if (r.s) parse_rpr2(r.s, terms[0], terms[2]);

			return terms[0].join("") + terms[1].replace(nlregex, '<br/>') + terms[2].join("");
		}

		return function parse_rs(rs) {
			return rs.map(r_to_html).join("");
		};
	})();

	/* 18.4.8 si CT_Rst */
	var sitregex = /<(?:\w+:)?t[^>]*>([^<]*)<\/(?:\w+:)?t>/g, sirregex = /<(?:\w+:)?r>/;
	var sirphregex = /<(?:\w+:)?rPh.*?>([\s\S]*?)<\/(?:\w+:)?rPh>/g;
	function parse_si(x, opts) {
		var html = opts ? opts.cellHTML : true;
		var z = {};
		if (!x) return null;
		//var y;
		/* 18.4.12 t ST_Xstring (Plaintext String) */
		// TODO: is whitespace actually valid here?
		if (x.match(/^\s*<(?:\w+:)?t[^>]*>/)) {
			z.t = unescapexml(utf8read(x.slice(x.indexOf(">") + 1).split(/<\/(?:\w+:)?t>/)[0] || ""));
			z.r = utf8read(x);
			if (html) z.h = escapehtml(z.t);
		}
		/* 18.4.4 r CT_RElt (Rich Text Run) */
		else if ((/*y = */x.match(sirregex))) {
			z.r = utf8read(x);
			z.t = unescapexml(utf8read((x.replace(sirphregex, '').match(sitregex) || []).join("").replace(tagregex, "")));
			if (html) z.h = rs_to_html(parse_rs(z.r));
		}
		/* 18.4.3 phoneticPr CT_PhoneticPr (TODO: needed for Asian support) */
		/* 18.4.6 rPh CT_PhoneticRun (TODO: needed for Asian support) */
		return z;
	}

	/* 18.4 Shared String Table */
	var sstr0 = /<(?:\w+:)?sst([^>]*)>([\s\S]*)<\/(?:\w+:)?sst>/;
	var sstr1 = /<(?:\w+:)?(?:si|sstItem)>/g;
	var sstr2 = /<\/(?:\w+:)?(?:si|sstItem)>/;
	function parse_sst_xml(data, opts) {
		var s = ([]), ss = "";
		if (!data) return s;
		/* 18.4.9 sst CT_Sst */
		var sst = data.match(sstr0);
		if (sst) {
			ss = sst[2].replace(sstr1, "").split(sstr2);
			for (var i = 0; i != ss.length; ++i) {
				var o = parse_si(ss[i].trim(), opts);
				if (o != null) s[s.length] = o;
			}
			sst = parsexmltag(sst[1]); s.Count = sst.count; s.Unique = sst.uniqueCount;
		}
		return s;
	}

	RELS.SST = "http://schemas.openxmlformats.org/officeDocument/2006/relationships/sharedStrings";
	var straywsregex = /^\s|\s$|[\t\n\r]/;
	function write_sst_xml(sst, opts) {
		if (!opts.bookSST) return "";
		var o = [XML_HEADER];
		o[o.length] = (writextag('sst', null, {
			xmlns: XMLNS.main[0],
			count: sst.Count,
			uniqueCount: sst.Unique
		}));
		for (var i = 0; i != sst.length; ++i) {
			if (sst[i] == null) continue;
			var s = sst[i];
			var sitag = "<si>";
			if (s.r) sitag += s.r;
			else {
				sitag += "<t";
				if (!s.t) s.t = "";
				if (s.t.match(straywsregex)) sitag += ' xml:space="preserve"';
				sitag += ">" + escapexml(s.t) + "</t>";
			}
			sitag += "</si>";
			o[o.length] = (sitag);
		}
		if (o.length > 2) { o[o.length] = ('</sst>'); o[1] = o[1].replace("/>", ">"); }
		return o.join("");
	}
	/* [MS-XLSB] 2.4.221 BrtBeginSst */
	function parse_BrtBeginSst(data) {
		return [data.read_shift(4), data.read_shift(4)];
	}

	/* [MS-XLSB] 2.1.7.45 Shared Strings */
	function parse_sst_bin(data, opts) {
		var s = ([]);
		var pass = false;
		recordhopper(data, function hopper_sst(val, R_n, RT) {
			switch (RT) {
				case 0x009F: /* 'BrtBeginSst' */
					s.Count = val[0]; s.Unique = val[1]; break;
				case 0x0013: /* 'BrtSSTItem' */
					s.push(val); break;
				case 0x00A0: /* 'BrtEndSst' */
					return true;

				case 0x0023: /* 'BrtFRTBegin' */
					pass = true; break;
				case 0x0024: /* 'BrtFRTEnd' */
					pass = false; break;

				default:
					if (R_n.indexOf("Begin") > 0) {/* empty */ }
					else if (R_n.indexOf("End") > 0) {/* empty */ }
					if (!pass || opts.WTF) throw new Error("Unexpected record " + RT + " " + R_n);
			}
		});
		return s;
	}

	function write_BrtBeginSst(sst, o) {
		if (!o) o = new_buf(8);
		o.write_shift(4, sst.Count);
		o.write_shift(4, sst.Unique);
		return o;
	}

	var write_BrtSSTItem = write_RichStr;

	function write_sst_bin(sst) {
		var ba = buf_array();
		write_record(ba, "BrtBeginSst", write_BrtBeginSst(sst));
		for (var i = 0; i < sst.length; ++i) write_record(ba, "BrtSSTItem", write_BrtSSTItem(sst[i]));
		/* FRTSST */
		write_record(ba, "BrtEndSst");
		return ba.end();
	}
	function _JS2ANSI(str) {
		if (typeof cptable !== 'undefined') return cptable.utils.encode(current_ansi, str);
		var o = [], oo = str.split("");
		for (var i = 0; i < oo.length; ++i) o[i] = oo[i].charCodeAt(0);
		return o;
	}

	/* [MS-OFFCRYPTO] 2.1.4 Version */
	function parse_CRYPTOVersion(blob, length) {
		var o = {};
		o.Major = blob.read_shift(2);
		o.Minor = blob.read_shift(2);
		if (length >= 4) blob.l += length - 4;
		return o;
	}

	/* [MS-OFFCRYPTO] 2.1.5 DataSpaceVersionInfo */
	function parse_DataSpaceVersionInfo(blob) {
		var o = {};
		o.id = blob.read_shift(0, 'lpp4');
		o.R = parse_CRYPTOVersion(blob, 4);
		o.U = parse_CRYPTOVersion(blob, 4);
		o.W = parse_CRYPTOVersion(blob, 4);
		return o;
	}

	/* [MS-OFFCRYPTO] 2.1.6.1 DataSpaceMapEntry Structure */
	function parse_DataSpaceMapEntry(blob) {
		var len = blob.read_shift(4);
		var end = blob.l + len - 4;
		var o = {};
		var cnt = blob.read_shift(4);
		var comps = [];
		/* [MS-OFFCRYPTO] 2.1.6.2 DataSpaceReferenceComponent Structure */
		while (cnt-- > 0) comps.push({ t: blob.read_shift(4), v: blob.read_shift(0, 'lpp4') });
		o.name = blob.read_shift(0, 'lpp4');
		o.comps = comps;
		if (blob.l != end) throw new Error("Bad DataSpaceMapEntry: " + blob.l + " != " + end);
		return o;
	}

	/* [MS-OFFCRYPTO] 2.1.6 DataSpaceMap */
	function parse_DataSpaceMap(blob) {
		var o = [];
		blob.l += 4; // must be 0x8
		var cnt = blob.read_shift(4);
		while (cnt-- > 0) o.push(parse_DataSpaceMapEntry(blob));
		return o;
	}

	/* [MS-OFFCRYPTO] 2.1.7 DataSpaceDefinition */
	function parse_DataSpaceDefinition(blob) {
		var o = [];
		blob.l += 4; // must be 0x8
		var cnt = blob.read_shift(4);
		while (cnt-- > 0) o.push(blob.read_shift(0, 'lpp4'));
		return o;
	}

	/* [MS-OFFCRYPTO] 2.1.8 DataSpaceDefinition */
	function parse_TransformInfoHeader(blob) {
		var o = {};
	/*var len = */blob.read_shift(4);
		blob.l += 4; // must be 0x1
		o.id = blob.read_shift(0, 'lpp4');
		o.name = blob.read_shift(0, 'lpp4');
		o.R = parse_CRYPTOVersion(blob, 4);
		o.U = parse_CRYPTOVersion(blob, 4);
		o.W = parse_CRYPTOVersion(blob, 4);
		return o;
	}

	function parse_Primary(blob) {
		/* [MS-OFFCRYPTO] 2.2.6 IRMDSTransformInfo */
		var hdr = parse_TransformInfoHeader(blob);
		/* [MS-OFFCRYPTO] 2.1.9 EncryptionTransformInfo */
		hdr.ename = blob.read_shift(0, '8lpp4');
		hdr.blksz = blob.read_shift(4);
		hdr.cmode = blob.read_shift(4);
		if (blob.read_shift(4) != 0x04) throw new Error("Bad !Primary record");
		return hdr;
	}

	/* [MS-OFFCRYPTO] 2.3.2 Encryption Header */
	function parse_EncryptionHeader(blob, length) {
		var tgt = blob.l + length;
		var o = {};
		o.Flags = (blob.read_shift(4) & 0x3F);
		blob.l += 4;
		o.AlgID = blob.read_shift(4);
		var valid = false;
		switch (o.AlgID) {
			case 0x660E: case 0x660F: case 0x6610: valid = (o.Flags == 0x24); break;
			case 0x6801: valid = (o.Flags == 0x04); break;
			case 0: valid = (o.Flags == 0x10 || o.Flags == 0x04 || o.Flags == 0x24); break;
			default: throw 'Unrecognized encryption algorithm: ' + o.AlgID;
		}
		if (!valid) throw new Error("Encryption Flags/AlgID mismatch");
		o.AlgIDHash = blob.read_shift(4);
		o.KeySize = blob.read_shift(4);
		o.ProviderType = blob.read_shift(4);
		blob.l += 8;
		o.CSPName = blob.read_shift((tgt - blob.l) >> 1, 'utf16le');
		blob.l = tgt;
		return o;
	}

	/* [MS-OFFCRYPTO] 2.3.3 Encryption Verifier */
	function parse_EncryptionVerifier(blob, length) {
		var o = {}, tgt = blob.l + length;
		blob.l += 4; // SaltSize must be 0x10
		o.Salt = blob.slice(blob.l, blob.l + 16); blob.l += 16;
		o.Verifier = blob.slice(blob.l, blob.l + 16); blob.l += 16;
	/*var sz = */blob.read_shift(4);
		o.VerifierHash = blob.slice(blob.l, tgt); blob.l = tgt;
		return o;
	}

	/* [MS-OFFCRYPTO] 2.3.4.* EncryptionInfo Stream */
	function parse_EncryptionInfo(blob) {
		var vers = parse_CRYPTOVersion(blob);
		switch (vers.Minor) {
			case 0x02: return [vers.Minor, parse_EncInfoStd(blob, vers)];
			case 0x03: return [vers.Minor, parse_EncInfoExt(blob, vers)];
			case 0x04: return [vers.Minor, parse_EncInfoAgl(blob, vers)];
		}
		throw new Error("ECMA-376 Encrypted file unrecognized Version: " + vers.Minor);
	}

	/* [MS-OFFCRYPTO] 2.3.4.5  EncryptionInfo Stream (Standard Encryption) */
	function parse_EncInfoStd(blob) {
		var flags = blob.read_shift(4);
		if ((flags & 0x3F) != 0x24) throw new Error("EncryptionInfo mismatch");
		var sz = blob.read_shift(4);
		//var tgt = blob.l + sz;
		var hdr = parse_EncryptionHeader(blob, sz);
		var verifier = parse_EncryptionVerifier(blob, blob.length - blob.l);
		return { t: "Std", h: hdr, v: verifier };
	}
	/* [MS-OFFCRYPTO] 2.3.4.6  EncryptionInfo Stream (Extensible Encryption) */
	function parse_EncInfoExt() { throw new Error("File is password-protected: ECMA-376 Extensible"); }
	/* [MS-OFFCRYPTO] 2.3.4.10 EncryptionInfo Stream (Agile Encryption) */
	function parse_EncInfoAgl(blob) {
		var KeyData = ["saltSize", "blockSize", "keyBits", "hashSize", "cipherAlgorithm", "cipherChaining", "hashAlgorithm", "saltValue"];
		blob.l += 4;
		var xml = blob.read_shift(blob.length - blob.l, 'utf8');
		var o = {};
		xml.replace(tagregex, function xml_agile(x) {
			var y = parsexmltag(x);
			switch (strip_ns(y[0])) {
				case '<?xml': break;
				case '<encryption': case '</encryption>': break;
				case '<keyData': KeyData.forEach(function (k) { o[k] = y[k]; }); break;
				case '<dataIntegrity': o.encryptedHmacKey = y.encryptedHmacKey; o.encryptedHmacValue = y.encryptedHmacValue; break;
				case '<keyEncryptors>': case '<keyEncryptors': o.encs = []; break;
				case '</keyEncryptors>': break;

				case '<keyEncryptor': o.uri = y.uri; break;
				case '</keyEncryptor>': break;
				case '<encryptedKey': o.encs.push(y); break;
				default: throw y[0];
			}
		});
		return o;
	}

	/* [MS-OFFCRYPTO] 2.3.5.1 RC4 CryptoAPI Encryption Header */
	function parse_RC4CryptoHeader(blob, length) {
		var o = {};
		var vers = o.EncryptionVersionInfo = parse_CRYPTOVersion(blob, 4); length -= 4;
		if (vers.Minor != 2) throw new Error('unrecognized minor version code: ' + vers.Minor);
		if (vers.Major > 4 || vers.Major < 2) throw new Error('unrecognized major version code: ' + vers.Major);
		o.Flags = blob.read_shift(4); length -= 4;
		var sz = blob.read_shift(4); length -= 4;
		o.EncryptionHeader = parse_EncryptionHeader(blob, sz); length -= sz;
		o.EncryptionVerifier = parse_EncryptionVerifier(blob, length);
		return o;
	}
	/* [MS-OFFCRYPTO] 2.3.6.1 RC4 Encryption Header */
	function parse_RC4Header(blob) {
		var o = {};
		var vers = o.EncryptionVersionInfo = parse_CRYPTOVersion(blob, 4);
		if (vers.Major != 1 || vers.Minor != 1) throw 'unrecognized version code ' + vers.Major + ' : ' + vers.Minor;
		o.Salt = blob.read_shift(16);
		o.EncryptedVerifier = blob.read_shift(16);
		o.EncryptedVerifierHash = blob.read_shift(16);
		return o;
	}

	/* [MS-OFFCRYPTO] 2.3.7.1 Binary Document Password Verifier Derivation */
	function crypto_CreatePasswordVerifier_Method1(Password) {
		var Verifier = 0x0000, PasswordArray;
		var PasswordDecoded = _JS2ANSI(Password);
		var len = PasswordDecoded.length + 1, i, PasswordByte;
		var Intermediate1, Intermediate2, Intermediate3;
		PasswordArray = new_raw_buf(len);
		PasswordArray[0] = PasswordDecoded.length;
		for (i = 1; i != len; ++i) PasswordArray[i] = PasswordDecoded[i - 1];
		for (i = len - 1; i >= 0; --i) {
			PasswordByte = PasswordArray[i];
			Intermediate1 = ((Verifier & 0x4000) === 0x0000) ? 0 : 1;
			Intermediate2 = (Verifier << 1) & 0x7FFF;
			Intermediate3 = Intermediate1 | Intermediate2;
			Verifier = Intermediate3 ^ PasswordByte;
		}
		return Verifier ^ 0xCE4B;
	}

	/* [MS-OFFCRYPTO] 2.3.7.2 Binary Document XOR Array Initialization */
	var crypto_CreateXorArray_Method1 = (function () {
		var PadArray = [0xBB, 0xFF, 0xFF, 0xBA, 0xFF, 0xFF, 0xB9, 0x80, 0x00, 0xBE, 0x0F, 0x00, 0xBF, 0x0F, 0x00];
		var InitialCode = [0xE1F0, 0x1D0F, 0xCC9C, 0x84C0, 0x110C, 0x0E10, 0xF1CE, 0x313E, 0x1872, 0xE139, 0xD40F, 0x84F9, 0x280C, 0xA96A, 0x4EC3];
		var XorMatrix = [0xAEFC, 0x4DD9, 0x9BB2, 0x2745, 0x4E8A, 0x9D14, 0x2A09, 0x7B61, 0xF6C2, 0xFDA5, 0xEB6B, 0xC6F7, 0x9DCF, 0x2BBF, 0x4563, 0x8AC6, 0x05AD, 0x0B5A, 0x16B4, 0x2D68, 0x5AD0, 0x0375, 0x06EA, 0x0DD4, 0x1BA8, 0x3750, 0x6EA0, 0xDD40, 0xD849, 0xA0B3, 0x5147, 0xA28E, 0x553D, 0xAA7A, 0x44D5, 0x6F45, 0xDE8A, 0xAD35, 0x4A4B, 0x9496, 0x390D, 0x721A, 0xEB23, 0xC667, 0x9CEF, 0x29FF, 0x53FE, 0xA7FC, 0x5FD9, 0x47D3, 0x8FA6, 0x0F6D, 0x1EDA, 0x3DB4, 0x7B68, 0xF6D0, 0xB861, 0x60E3, 0xC1C6, 0x93AD, 0x377B, 0x6EF6, 0xDDEC, 0x45A0, 0x8B40, 0x06A1, 0x0D42, 0x1A84, 0x3508, 0x6A10, 0xAA51, 0x4483, 0x8906, 0x022D, 0x045A, 0x08B4, 0x1168, 0x76B4, 0xED68, 0xCAF1, 0x85C3, 0x1BA7, 0x374E, 0x6E9C, 0x3730, 0x6E60, 0xDCC0, 0xA9A1, 0x4363, 0x86C6, 0x1DAD, 0x3331, 0x6662, 0xCCC4, 0x89A9, 0x0373, 0x06E6, 0x0DCC, 0x1021, 0x2042, 0x4084, 0x8108, 0x1231, 0x2462, 0x48C4];
		var Ror = function (Byte) { return ((Byte / 2) | (Byte * 128)) & 0xFF; };
		var XorRor = function (byte1, byte2) { return Ror(byte1 ^ byte2); };
		var CreateXorKey_Method1 = function (Password) {
			var XorKey = InitialCode[Password.length - 1];
			var CurrentElement = 0x68;
			for (var i = Password.length - 1; i >= 0; --i) {
				var Char = Password[i];
				for (var j = 0; j != 7; ++j) {
					if (Char & 0x40) XorKey ^= XorMatrix[CurrentElement];
					Char *= 2; --CurrentElement;
				}
			}
			return XorKey;
		};
		return function (password) {
			var Password = _JS2ANSI(password);
			var XorKey = CreateXorKey_Method1(Password);
			var Index = Password.length;
			var ObfuscationArray = new_raw_buf(16);
			for (var i = 0; i != 16; ++i) ObfuscationArray[i] = 0x00;
			var Temp, PasswordLastChar, PadIndex;
			if ((Index & 1) === 1) {
				Temp = XorKey >> 8;
				ObfuscationArray[Index] = XorRor(PadArray[0], Temp);
				--Index;
				Temp = XorKey & 0xFF;
				PasswordLastChar = Password[Password.length - 1];
				ObfuscationArray[Index] = XorRor(PasswordLastChar, Temp);
			}
			while (Index > 0) {
				--Index;
				Temp = XorKey >> 8;
				ObfuscationArray[Index] = XorRor(Password[Index], Temp);
				--Index;
				Temp = XorKey & 0xFF;
				ObfuscationArray[Index] = XorRor(Password[Index], Temp);
			}
			Index = 15;
			PadIndex = 15 - Password.length;
			while (PadIndex > 0) {
				Temp = XorKey >> 8;
				ObfuscationArray[Index] = XorRor(PadArray[PadIndex], Temp);
				--Index;
				--PadIndex;
				Temp = XorKey & 0xFF;
				ObfuscationArray[Index] = XorRor(Password[Index], Temp);
				--Index;
				--PadIndex;
			}
			return ObfuscationArray;
		};
	})();

	/* [MS-OFFCRYPTO] 2.3.7.3 Binary Document XOR Data Transformation Method 1 */
	var crypto_DecryptData_Method1 = function (password, Data, XorArrayIndex, XorArray, O) {
		/* If XorArray is set, use it; if O is not set, make changes in-place */
		if (!O) O = Data;
		if (!XorArray) XorArray = crypto_CreateXorArray_Method1(password);
		var Index, Value;
		for (Index = 0; Index != Data.length; ++Index) {
			Value = Data[Index];
			Value ^= XorArray[XorArrayIndex];
			Value = ((Value >> 5) | (Value << 3)) & 0xFF;
			O[Index] = Value;
			++XorArrayIndex;
		}
		return [O, XorArrayIndex, XorArray];
	};

	var crypto_MakeXorDecryptor = function (password) {
		var XorArrayIndex = 0, XorArray = crypto_CreateXorArray_Method1(password);
		return function (Data) {
			var O = crypto_DecryptData_Method1("", Data, XorArrayIndex, XorArray);
			XorArrayIndex = O[1];
			return O[0];
		};
	};

	/* 2.5.343 */
	function parse_XORObfuscation(blob, length, opts, out) {
		var o = ({ key: parseuint16(blob), verificationBytes: parseuint16(blob) });
		if (opts.password) o.verifier = crypto_CreatePasswordVerifier_Method1(opts.password);
		out.valid = o.verificationBytes === o.verifier;
		if (out.valid) out.insitu = crypto_MakeXorDecryptor(opts.password);
		return o;
	}

	/* 2.4.117 */
	function parse_FilePassHeader(blob, length, oo) {
		var o = oo || {}; o.Info = blob.read_shift(2); blob.l -= 2;
		if (o.Info === 1) o.Data = parse_RC4Header(blob, length);
		else o.Data = parse_RC4CryptoHeader(blob, length);
		return o;
	}
	function parse_FilePass(blob, length, opts) {
		var o = ({ Type: opts.biff >= 8 ? blob.read_shift(2) : 0 }); /* wEncryptionType */
		if (o.Type) parse_FilePassHeader(blob, length - 2, o);
		else parse_XORObfuscation(blob, opts.biff >= 8 ? length : length - 2, opts, o);
		return o;
	}


	var RTF = (function () {
		function rtf_to_sheet(d, opts) {
			switch (opts.type) {
				case 'base64': return rtf_to_sheet_str(Base64.decode(d), opts);
				case 'binary': return rtf_to_sheet_str(d, opts);
				case 'buffer': return rtf_to_sheet_str(d.toString('binary'), opts);
				case 'array': return rtf_to_sheet_str(cc2str(d), opts);
			}
			throw new Error("Unrecognized type " + opts.type);
		}

		function rtf_to_sheet_str(str, opts) {
			var o = opts || {};
			var ws = o.dense ? ([]) : ({});
			var range = ({ s: { c: 0, r: 0 }, e: { c: 0, r: 0 } });

			// TODO: parse
			if (!str.match(/\\trowd/)) throw new Error("RTF missing table");

			ws['!ref'] = encode_range(range);
			return ws;
		}

		function rtf_to_workbook(d, opts) { return sheet_to_workbook(rtf_to_sheet(d, opts), opts); }

		/* TODO: this is a stub */
		function sheet_to_rtf(ws) {
			var o = ["{\\rtf1\\ansi"];
			var r = safe_decode_range(ws['!ref']), cell;
			var dense = Array.isArray(ws);
			for (var R = r.s.r; R <= r.e.r; ++R) {
				o.push("\\trowd\\trautofit1");
				for (var C = r.s.c; C <= r.e.c; ++C) o.push("\\cellx" + (C + 1));
				o.push("\\pard\\intbl");
				for (C = r.s.c; C <= r.e.c; ++C) {
					var coord = encode_cell({ r: R, c: C });
					cell = dense ? (ws[R] || [])[C] : ws[coord];
					if (!cell || cell.v == null && (!cell.f || cell.F)) continue;
					o.push(" " + (cell.w || (format_cell(cell), cell.w)));
					o.push("\\cell");
				}
				o.push("\\pard\\intbl\\row");
			}
			return o.join("") + "}";
		}

		return {
			to_workbook: rtf_to_workbook,
			to_sheet: rtf_to_sheet,
			from_sheet: sheet_to_rtf
		};
	})();
	function hex2RGB(h) {
		var o = h.slice(h[0] === "#" ? 1 : 0).slice(0, 6);
		return [parseInt(o.slice(0, 2), 16), parseInt(o.slice(2, 4), 16), parseInt(o.slice(4, 6), 16)];
	}
	function rgb2Hex(rgb) {
		for (var i = 0, o = 1; i != 3; ++i) o = o * 256 + (rgb[i] > 255 ? 255 : rgb[i] < 0 ? 0 : rgb[i]);
		return o.toString(16).toUpperCase().slice(1);
	}

	function rgb2HSL(rgb) {
		var R = rgb[0] / 255, G = rgb[1] / 255, B = rgb[2] / 255;
		var M = Math.max(R, G, B), m = Math.min(R, G, B), C = M - m;
		if (C === 0) return [0, 0, R];

		var H6 = 0, S = 0, L2 = (M + m);
		S = C / (L2 > 1 ? 2 - L2 : L2);
		switch (M) {
			case R: H6 = ((G - B) / C + 6) % 6; break;
			case G: H6 = ((B - R) / C + 2); break;
			case B: H6 = ((R - G) / C + 4); break;
		}
		return [H6 / 6, S, L2 / 2];
	}

	function hsl2RGB(hsl) {
		var H = hsl[0], S = hsl[1], L = hsl[2];
		var C = S * 2 * (L < 0.5 ? L : 1 - L), m = L - C / 2;
		var rgb = [m, m, m], h6 = 6 * H;

		var X;
		if (S !== 0) switch (h6 | 0) {
			case 0: case 6: X = C * h6; rgb[0] += C; rgb[1] += X; break;
			case 1: X = C * (2 - h6); rgb[0] += X; rgb[1] += C; break;
			case 2: X = C * (h6 - 2); rgb[1] += C; rgb[2] += X; break;
			case 3: X = C * (4 - h6); rgb[1] += X; rgb[2] += C; break;
			case 4: X = C * (h6 - 4); rgb[2] += C; rgb[0] += X; break;
			case 5: X = C * (6 - h6); rgb[2] += X; rgb[0] += C; break;
		}
		for (var i = 0; i != 3; ++i) rgb[i] = Math.round(rgb[i] * 255);
		return rgb;
	}

	/* 18.8.3 bgColor tint algorithm */
	function rgb_tint(hex, tint) {
		if (tint === 0) return hex;
		var hsl = rgb2HSL(hex2RGB(hex));
		if (tint < 0) hsl[2] = hsl[2] * (1 + tint);
		else hsl[2] = 1 - (1 - hsl[2]) * (1 - tint);
		return rgb2Hex(hsl2RGB(hsl));
	}

	/* 18.3.1.13 width calculations */
	/* [MS-OI29500] 2.1.595 Column Width & Formatting */
	var DEF_MDW = 6, MAX_MDW = 15, MIN_MDW = 1, MDW = DEF_MDW;
	function width2px(width) { return Math.floor((width + (Math.round(128 / MDW)) / 256) * MDW); }
	function px2char(px) { return (Math.floor((px - 5) / MDW * 100 + 0.5)) / 100; }
	function char2width(chr) { return (Math.round((chr * MDW + 5) / MDW * 256)) / 256; }
	//function px2char_(px) { return (((px - 5)/MDW * 100 + 0.5))/100; }
	//function char2width_(chr) { return (((chr * MDW + 5)/MDW*256))/256; }
	function cycle_width(collw) { return char2width(px2char(width2px(collw))); }
	/* XLSX/XLSB/XLS specify width in units of MDW */
	function find_mdw_colw(collw) {
		var delta = Math.abs(collw - cycle_width(collw)), _MDW = MDW;
		if (delta > 0.005) for (MDW = MIN_MDW; MDW < MAX_MDW; ++MDW) if (Math.abs(collw - cycle_width(collw)) <= delta) { delta = Math.abs(collw - cycle_width(collw)); _MDW = MDW; }
		MDW = _MDW;
	}
	/* XLML specifies width in terms of pixels */
	/*function find_mdw_wpx(wpx) {
		var delta = Infinity, guess = 0, _MDW = MIN_MDW;
		for(MDW=MIN_MDW; MDW<MAX_MDW; ++MDW) {
			guess = char2width_(px2char_(wpx))*256;
			guess = (guess) % 1;
			if(guess > 0.5) guess--;
			if(Math.abs(guess) < delta) { delta = Math.abs(guess); _MDW = MDW; }
		}
		MDW = _MDW;
	}*/

	function process_col(coll) {
		if (coll.width) {
			coll.wpx = width2px(coll.width);
			coll.wch = px2char(coll.wpx);
			coll.MDW = MDW;
		} else if (coll.wpx) {
			coll.wch = px2char(coll.wpx);
			coll.width = char2width(coll.wch);
			coll.MDW = MDW;
		} else if (typeof coll.wch == 'number') {
			coll.width = char2width(coll.wch);
			coll.wpx = width2px(coll.width);
			coll.MDW = MDW;
		}
		if (coll.customWidth) delete coll.customWidth;
	}

	var DEF_PPI = 96, PPI = DEF_PPI;
	function px2pt(px) { return px * 96 / PPI; }
	function pt2px(pt) { return pt * PPI / 96; }

	/* [MS-EXSPXML3] 2.4.54 ST_enmPattern */
	var XLMLPatternTypeMap = {
		"None": "none",
		"Solid": "solid",
		"Gray50": "mediumGray",
		"Gray75": "darkGray",
		"Gray25": "lightGray",
		"HorzStripe": "darkHorizontal",
		"VertStripe": "darkVertical",
		"ReverseDiagStripe": "darkDown",
		"DiagStripe": "darkUp",
		"DiagCross": "darkGrid",
		"ThickDiagCross": "darkTrellis",
		"ThinHorzStripe": "lightHorizontal",
		"ThinVertStripe": "lightVertical",
		"ThinReverseDiagStripe": "lightDown",
		"ThinHorzCross": "lightGrid"
	};

	/* 18.8.5 borders CT_Borders */
	function parse_borders(t, styles, themes, opts) {
		styles.Borders = [];
		var border = {};
		var pass = false;
		(t[0].match(tagregex) || []).forEach(function (x) {
			var y = parsexmltag(x);
			switch (strip_ns(y[0])) {
				case '<borders': case '<borders>': case '</borders>': break;

				/* 18.8.4 border CT_Border */
				case '<border': case '<border>': case '<border/>':
					border = {};
					if (y.diagonalUp) border.diagonalUp = parsexmlbool(y.diagonalUp);
					if (y.diagonalDown) border.diagonalDown = parsexmlbool(y.diagonalDown);
					styles.Borders.push(border);
					break;
				case '</border>': break;

				/* note: not in spec, appears to be CT_BorderPr */
				case '<left/>': break;
				case '<left': case '<left>': break;
				case '</left>': break;

				/* note: not in spec, appears to be CT_BorderPr */
				case '<right/>': break;
				case '<right': case '<right>': break;
				case '</right>': break;

				/* 18.8.43 top CT_BorderPr */
				case '<top/>': break;
				case '<top': case '<top>': break;
				case '</top>': break;

				/* 18.8.6 bottom CT_BorderPr */
				case '<bottom/>': break;
				case '<bottom': case '<bottom>': break;
				case '</bottom>': break;

				/* 18.8.13 diagonal CT_BorderPr */
				case '<diagonal': case '<diagonal>': case '<diagonal/>': break;
				case '</diagonal>': break;

				/* 18.8.25 horizontal CT_BorderPr */
				case '<horizontal': case '<horizontal>': case '<horizontal/>': break;
				case '</horizontal>': break;

				/* 18.8.44 vertical CT_BorderPr */
				case '<vertical': case '<vertical>': case '<vertical/>': break;
				case '</vertical>': break;

				/* 18.8.37 start CT_BorderPr */
				case '<start': case '<start>': case '<start/>': break;
				case '</start>': break;

				/* 18.8.16 end CT_BorderPr */
				case '<end': case '<end>': case '<end/>': break;
				case '</end>': break;

				/* 18.8.? color CT_Color */
				case '<color': case '<color>':
					break;
				case '<color/>': case '</color>': break;

				/* 18.2.10 extLst CT_ExtensionList ? */
				case '<extLst': case '<extLst>': case '</extLst>': break;
				case '<ext': pass = true; break;
				case '</ext>': pass = false; break;
				default: if (opts && opts.WTF) {
					if (!pass) throw new Error('unrecognized ' + y[0] + ' in borders');
				}
			}
		});
	}

	/* 18.8.21 fills CT_Fills */
	function parse_fills(t, styles, themes, opts) {
		styles.Fills = [];
		var fill = {};
		var pass = false;
		(t[0].match(tagregex) || []).forEach(function (x) {
			var y = parsexmltag(x);
			switch (strip_ns(y[0])) {
				case '<fills': case '<fills>': case '</fills>': break;

				/* 18.8.20 fill CT_Fill */
				case '<fill>': case '<fill': case '<fill/>':
					fill = {}; styles.Fills.push(fill); break;
				case '</fill>': break;

				/* 18.8.24 gradientFill CT_GradientFill */
				case '<gradientFill>': break;
				case '<gradientFill':
				case '</gradientFill>': styles.Fills.push(fill); fill = {}; break;

				/* 18.8.32 patternFill CT_PatternFill */
				case '<patternFill': case '<patternFill>':
					if (y.patternType) fill.patternType = y.patternType;
					break;
				case '<patternFill/>': case '</patternFill>': break;

				/* 18.8.3 bgColor CT_Color */
				case '<bgColor':
					if (!fill.bgColor) fill.bgColor = {};
					if (y.indexed) fill.bgColor.indexed = parseInt(y.indexed, 10);
					if (y.theme) fill.bgColor.theme = parseInt(y.theme, 10);
					if (y.tint) fill.bgColor.tint = parseFloat(y.tint);
					/* Excel uses ARGB strings */
					if (y.rgb) fill.bgColor.rgb = y.rgb.slice(-6);
					break;
				case '<bgColor/>': case '</bgColor>': break;

				/* 18.8.19 fgColor CT_Color */
				case '<fgColor':
					if (!fill.fgColor) fill.fgColor = {};
					if (y.theme) fill.fgColor.theme = parseInt(y.theme, 10);
					if (y.tint) fill.fgColor.tint = parseFloat(y.tint);
					/* Excel uses ARGB strings */
					if (y.rgb != null) fill.fgColor.rgb = y.rgb.slice(-6);
					break;
				case '<fgColor/>': case '</fgColor>': break;

				/* 18.8.38 stop CT_GradientStop */
				case '<stop': case '<stop/>': break;
				case '</stop>': break;

				/* 18.8.? color CT_Color */
				case '<color': case '<color/>': break;
				case '</color>': break;

				/* 18.2.10 extLst CT_ExtensionList ? */
				case '<extLst': case '<extLst>': case '</extLst>': break;
				case '<ext': pass = true; break;
				case '</ext>': pass = false; break;
				default: if (opts && opts.WTF) {
					if (!pass) throw new Error('unrecognized ' + y[0] + ' in fills');
				}
			}
		});
	}

	/* 18.8.23 fonts CT_Fonts */
	function parse_fonts(t, styles, themes, opts) {
		styles.Fonts = [];
		var font = {};
		var pass = false;
		(t[0].match(tagregex) || []).forEach(function (x) {
			var y = parsexmltag(x);
			switch (strip_ns(y[0])) {
				case '<fonts': case '<fonts>': case '</fonts>': break;

				/* 18.8.22 font CT_Font */
				case '<font': case '<font>': break;
				case '</font>': case '<font/>':
					styles.Fonts.push(font);
					font = {};
					break;

				/* 18.8.29 name CT_FontName */
				case '<name': if (y.val) font.name = y.val; break;
				case '<name/>': case '</name>': break;

				/* 18.8.2  b CT_BooleanProperty */
				case '<b': font.bold = y.val ? parsexmlbool(y.val) : 1; break;
				case '<b/>': font.bold = 1; break;

				/* 18.8.26 i CT_BooleanProperty */
				case '<i': font.italic = y.val ? parsexmlbool(y.val) : 1; break;
				case '<i/>': font.italic = 1; break;

				/* 18.4.13 u CT_UnderlineProperty */
				case '<u':
					switch (y.val) {
						case "none": font.underline = 0x00; break;
						case "single": font.underline = 0x01; break;
						case "double": font.underline = 0x02; break;
						case "singleAccounting": font.underline = 0x21; break;
						case "doubleAccounting": font.underline = 0x22; break;
					} break;
				case '<u/>': font.underline = 1; break;

				/* 18.4.10 strike CT_BooleanProperty */
				case '<strike': font.strike = y.val ? parsexmlbool(y.val) : 1; break;
				case '<strike/>': font.strike = 1; break;

				/* 18.4.2  outline CT_BooleanProperty */
				case '<outline': font.outline = y.val ? parsexmlbool(y.val) : 1; break;
				case '<outline/>': font.outline = 1; break;

				/* 18.8.36 shadow CT_BooleanProperty */
				case '<shadow': font.shadow = y.val ? parsexmlbool(y.val) : 1; break;
				case '<shadow/>': font.shadow = 1; break;

				/* 18.8.12 condense CT_BooleanProperty */
				case '<condense': font.condense = y.val ? parsexmlbool(y.val) : 1; break;
				case '<condense/>': font.condense = 1; break;

				/* 18.8.17 extend CT_BooleanProperty */
				case '<extend': font.extend = y.val ? parsexmlbool(y.val) : 1; break;
				case '<extend/>': font.extend = 1; break;

				/* 18.4.11 sz CT_FontSize */
				case '<sz': if (y.val) font.sz = +y.val; break;
				case '<sz/>': case '</sz>': break;

				/* 18.4.14 vertAlign CT_VerticalAlignFontProperty */
				case '<vertAlign': if (y.val) font.vertAlign = y.val; break;
				case '<vertAlign/>': case '</vertAlign>': break;

				/* 18.8.18 family CT_FontFamily */
				case '<family': if (y.val) font.family = parseInt(y.val, 10); break;
				case '<family/>': case '</family>': break;

				/* 18.8.35 scheme CT_FontScheme */
				case '<scheme': if (y.val) font.scheme = y.val; break;
				case '<scheme/>': case '</scheme>': break;

				/* 18.4.1 charset CT_IntProperty */
				case '<charset':
					if (y.val == '1') break;
					y.codepage = CS2CP[parseInt(y.val, 10)];
					break;

				/* 18.?.? color CT_Color */
				case '<color':
					if (!font.color) font.color = {};
					if (y.auto) font.color.auto = parsexmlbool(y.auto);

					if (y.rgb) font.color.rgb = y.rgb.slice(-6);
					else if (y.indexed) {
						font.color.index = parseInt(y.indexed, 10);
						var icv = XLSIcv[font.color.index];
						if (font.color.index == 81) icv = XLSIcv[1];
						if (!icv) throw new Error(x);
						font.color.rgb = icv[0].toString(16) + icv[1].toString(16) + icv[2].toString(16);
					} else if (y.theme) {
						font.color.theme = parseInt(y.theme, 10);
						if (y.tint) font.color.tint = parseFloat(y.tint);
						if (y.theme && themes.themeElements && themes.themeElements.clrScheme) {
							font.color.rgb = rgb_tint(themes.themeElements.clrScheme[font.color.theme].rgb, font.color.tint || 0);
						}
					}

					break;
				case '<color/>': case '</color>': break;

				/* note: sometimes mc:AlternateContent appears bare */
				case '<AlternateContent': pass = true; break;
				case '</AlternateContent>': pass = false; break;

				/* 18.2.10 extLst CT_ExtensionList ? */
				case '<extLst': case '<extLst>': case '</extLst>': break;
				case '<ext': pass = true; break;
				case '</ext>': pass = false; break;
				default: if (opts && opts.WTF) {
					if (!pass) throw new Error('unrecognized ' + y[0] + ' in fonts');
				}
			}
		});
	}

	/* 18.8.31 numFmts CT_NumFmts */
	function parse_numFmts(t, styles, opts) {
		styles.NumberFmt = [];
		var k/*Array<number>*/ = (keys(SSF._table));
		for (var i = 0; i < k.length; ++i) styles.NumberFmt[k[i]] = SSF._table[k[i]];
		var m = t[0].match(tagregex);
		if (!m) return;
		for (i = 0; i < m.length; ++i) {
			var y = parsexmltag(m[i]);
			switch (strip_ns(y[0])) {
				case '<numFmts': case '</numFmts>': case '<numFmts/>': case '<numFmts>': break;
				case '<numFmt': {
					var f = unescapexml(utf8read(y.formatCode)), j = parseInt(y.numFmtId, 10);
					styles.NumberFmt[j] = f;
					if (j > 0) {
						if (j > 0x188) {
							for (j = 0x188; j > 0x3c; --j) if (styles.NumberFmt[j] == null) break;
							styles.NumberFmt[j] = f;
						}
						SSF.load(f, j);
					}
				} break;
				case '</numFmt>': break;
				default: if (opts.WTF) throw new Error('unrecognized ' + y[0] + ' in numFmts');
			}
		}
	}

	function write_numFmts(NF) {
		var o = ["<numFmts>"];
		[[5, 8], [23, 26], [41, 44], [/*63*/50,/*66],[164,*/392]].forEach(function (r) {
			for (var i = r[0]; i <= r[1]; ++i) if (NF[i] != null) o[o.length] = (writextag('numFmt', null, { numFmtId: i, formatCode: escapexml(NF[i]) }));
		});
		if (o.length === 1) return "";
		o[o.length] = ("</numFmts>");
		o[0] = writextag('numFmts', null, { count: o.length - 2 }).replace("/>", ">");
		return o.join("");
	}

	/* 18.8.10 cellXfs CT_CellXfs */
	var cellXF_uint = ["numFmtId", "fillId", "fontId", "borderId", "xfId"];
	var cellXF_bool = ["applyAlignment", "applyBorder", "applyFill", "applyFont", "applyNumberFormat", "applyProtection", "pivotButton", "quotePrefix"];
	function parse_cellXfs(t, styles, opts) {
		styles.CellXf = [];
		var xf;
		var pass = false;
		(t[0].match(tagregex) || []).forEach(function (x) {
			var y = parsexmltag(x), i = 0;
			switch (strip_ns(y[0])) {
				case '<cellXfs': case '<cellXfs>': case '<cellXfs/>': case '</cellXfs>': break;

				/* 18.8.45 xf CT_Xf */
				case '<xf': case '<xf/>':
					xf = y;
					delete xf[0];
					for (i = 0; i < cellXF_uint.length; ++i) if (xf[cellXF_uint[i]])
						xf[cellXF_uint[i]] = parseInt(xf[cellXF_uint[i]], 10);
					for (i = 0; i < cellXF_bool.length; ++i) if (xf[cellXF_bool[i]])
						xf[cellXF_bool[i]] = parsexmlbool(xf[cellXF_bool[i]]);
					if (xf.numFmtId > 0x188) {
						for (i = 0x188; i > 0x3c; --i) if (styles.NumberFmt[xf.numFmtId] == styles.NumberFmt[i]) { xf.numFmtId = i; break; }
					}
					styles.CellXf.push(xf); break;
				case '</xf>': break;

				/* 18.8.1 alignment CT_CellAlignment */
				case '<alignment': case '<alignment/>':
					var alignment = {};
					if (y.vertical) alignment.vertical = y.vertical;
					if (y.horizontal) alignment.horizontal = y.horizontal;
					if (y.textRotation != null) alignment.textRotation = y.textRotation;
					if (y.indent) alignment.indent = y.indent;
					if (y.wrapText) alignment.wrapText = parsexmlbool(y.wrapText);
					xf.alignment = alignment;
					break;
				case '</alignment>': break;

				/* 18.8.33 protection CT_CellProtection */
				case '<protection':
					break;
				case '</protection>': case '<protection/>': break;

				/* note: sometimes mc:AlternateContent appears bare */
				case '<AlternateContent': pass = true; break;
				case '</AlternateContent>': pass = false; break;

				/* 18.2.10 extLst CT_ExtensionList ? */
				case '<extLst': case '<extLst>': case '</extLst>': break;
				case '<ext': pass = true; break;
				case '</ext>': pass = false; break;
				default: if (opts && opts.WTF) {
					if (!pass) throw new Error('unrecognized ' + y[0] + ' in cellXfs');
				}
			}
		});
	}

	function write_cellXfs(cellXfs) {
		var o = [];
		o[o.length] = (writextag('cellXfs', null));
		cellXfs.forEach(function (c) {
			o[o.length] = (writextag('xf', null, c));
		});
		o[o.length] = ("</cellXfs>");
		if (o.length === 2) return "";
		o[0] = writextag('cellXfs', null, { count: o.length - 2 }).replace("/>", ">");
		return o.join("");
	}

	/* 18.8 Styles CT_Stylesheet*/
	var parse_sty_xml = (function make_pstyx() {
		var numFmtRegex = /<(?:\w+:)?numFmts([^>]*)>[\S\s]*?<\/(?:\w+:)?numFmts>/;
		var cellXfRegex = /<(?:\w+:)?cellXfs([^>]*)>[\S\s]*?<\/(?:\w+:)?cellXfs>/;
		var fillsRegex = /<(?:\w+:)?fills([^>]*)>[\S\s]*?<\/(?:\w+:)?fills>/;
		var fontsRegex = /<(?:\w+:)?fonts([^>]*)>[\S\s]*?<\/(?:\w+:)?fonts>/;
		var bordersRegex = /<(?:\w+:)?borders([^>]*)>[\S\s]*?<\/(?:\w+:)?borders>/;

		return function parse_sty_xml(data, themes, opts) {
			var styles = {};
			if (!data) return styles;
			data = data.replace(/<!--([\s\S]*?)-->/mg, "").replace(/<!DOCTYPE[^\[]*\[[^\]]*\]>/gm, "");
			/* 18.8.39 styleSheet CT_Stylesheet */
			var t;

			/* 18.8.31 numFmts CT_NumFmts ? */
			if ((t = data.match(numFmtRegex))) parse_numFmts(t, styles, opts);

			/* 18.8.23 fonts CT_Fonts ? */
			if ((t = data.match(fontsRegex))) parse_fonts(t, styles, themes, opts);

			/* 18.8.21 fills CT_Fills ? */
			if ((t = data.match(fillsRegex))) parse_fills(t, styles, themes, opts);

			/* 18.8.5  borders CT_Borders ? */
			if ((t = data.match(bordersRegex))) parse_borders(t, styles, themes, opts);

			/* 18.8.9  cellStyleXfs CT_CellStyleXfs ? */

			/* 18.8.10 cellXfs CT_CellXfs ? */
			if ((t = data.match(cellXfRegex))) parse_cellXfs(t, styles, opts);

			/* 18.8.8  cellStyles CT_CellStyles ? */
			/* 18.8.15 dxfs CT_Dxfs ? */
			/* 18.8.42 tableStyles CT_TableStyles ? */
			/* 18.8.11 colors CT_Colors ? */
			/* 18.2.10 extLst CT_ExtensionList ? */

			return styles;
		};
	})();

	var STYLES_XML_ROOT = writextag('styleSheet', null, {
		'xmlns': XMLNS.main[0],
		'xmlns:vt': XMLNS.vt
	});

	RELS.STY = "http://schemas.openxmlformats.org/officeDocument/2006/relationships/styles";

	function write_sty_xml(wb, opts) {
		if (typeof style_builder != 'undefined' && typeof 'require' != 'undefined') {
			return style_builder.toXml();
		  }
		var o = [XML_HEADER, STYLES_XML_ROOT], w;
		if (wb.SSF && (w = write_numFmts(wb.SSF)) != null) o[o.length] = w;
		o[o.length] = ('<fonts count="1"><font><sz val="12"/><color theme="1"/><name val="Calibri"/><family val="2"/><scheme val="minor"/></font></fonts>');
		o[o.length] = ('<fills count="2"><fill><patternFill patternType="none"/></fill><fill><patternFill patternType="gray125"/></fill></fills>');
		o[o.length] = ('<borders count="1"><border><left/><right/><top/><bottom/><diagonal/></border></borders>');
		o[o.length] = ('<cellStyleXfs count="1"><xf numFmtId="0" fontId="0" fillId="0" borderId="0"/></cellStyleXfs>');
		if ((w = write_cellXfs(opts.cellXfs))) o[o.length] = (w);
		o[o.length] = ('<cellStyles count="1"><cellStyle name="Normal" xfId="0" builtinId="0"/></cellStyles>');
		o[o.length] = ('<dxfs count="0"/>');
		o[o.length] = ('<tableStyles count="0" defaultTableStyle="TableStyleMedium9" defaultPivotStyle="PivotStyleMedium4"/>');

		if (o.length > 2) { o[o.length] = ('</styleSheet>'); o[1] = o[1].replace("/>", ">"); }
		return o.join("");
	}
	/* [MS-XLSB] 2.4.657 BrtFmt */
	function parse_BrtFmt(data, length) {
		var numFmtId = data.read_shift(2);
		var stFmtCode = parse_XLWideString(data, length - 2);
		return [numFmtId, stFmtCode];
	}
	function write_BrtFmt(i, f, o) {
		if (!o) o = new_buf(6 + 4 * f.length);
		o.write_shift(2, i);
		write_XLWideString(f, o);
		var out = (o.length > o.l) ? o.slice(0, o.l) : o;
		if (o.l == null) o.l = o.length;
		return out;
	}

	/* [MS-XLSB] 2.4.659 BrtFont TODO */
	function parse_BrtFont(data, length, opts) {
		var out = ({});

		out.sz = data.read_shift(2) / 20;

		var grbit = parse_FontFlags(data, 2, opts);
		if (grbit.fItalic) out.italic = 1;
		if (grbit.fCondense) out.condense = 1;
		if (grbit.fExtend) out.extend = 1;
		if (grbit.fShadow) out.shadow = 1;
		if (grbit.fOutline) out.outline = 1;
		if (grbit.fStrikeout) out.strike = 1;

		var bls = data.read_shift(2);
		if (bls === 0x02BC) out.bold = 1;

		switch (data.read_shift(2)) {
			/* case 0: out.vertAlign = "baseline"; break; */
			case 1: out.vertAlign = "superscript"; break;
			case 2: out.vertAlign = "subscript"; break;
		}

		var underline = data.read_shift(1);
		if (underline != 0) out.underline = underline;

		var family = data.read_shift(1);
		if (family > 0) out.family = family;

		var bCharSet = data.read_shift(1);
		if (bCharSet > 0) out.charset = bCharSet;

		data.l++;
		out.color = parse_BrtColor(data, 8);

		switch (data.read_shift(1)) {
			/* case 0: out.scheme = "none": break; */
			case 1: out.scheme = "major"; break;
			case 2: out.scheme = "minor"; break;
		}

		out.name = parse_XLWideString(data, length - 21);

		return out;
	}
	function write_BrtFont(font, o) {
		if (!o) o = new_buf(25 + 4 * 32);
		o.write_shift(2, font.sz * 20);
		write_FontFlags(font, o);
		o.write_shift(2, font.bold ? 0x02BC : 0x0190);
		var sss = 0;
		if (font.vertAlign == "superscript") sss = 1;
		else if (font.vertAlign == "subscript") sss = 2;
		o.write_shift(2, sss);
		o.write_shift(1, font.underline || 0);
		o.write_shift(1, font.family || 0);
		o.write_shift(1, font.charset || 0);
		o.write_shift(1, 0);
		write_BrtColor(font.color, o);
		var scheme = 0;
		if (font.scheme == "major") scheme = 1;
		if (font.scheme == "minor") scheme = 2;
		o.write_shift(1, scheme);
		write_XLWideString(font.name, o);
		return o.length > o.l ? o.slice(0, o.l) : o;
	}

	/* [MS-XLSB] 2.4.650 BrtFill */
	var XLSBFillPTNames = [
		"none",
		"solid",
		"mediumGray",
		"darkGray",
		"lightGray",
		"darkHorizontal",
		"darkVertical",
		"darkDown",
		"darkUp",
		"darkGrid",
		"darkTrellis",
		"lightHorizontal",
		"lightVertical",
		"lightDown",
		"lightUp",
		"lightGrid",
		"lightTrellis",
		"gray125",
		"gray0625"
	];
	var rev_XLSBFillPTNames = (evert(XLSBFillPTNames));
	/* TODO: gradient fill representation */
	var parse_BrtFill = parsenoop;
	function write_BrtFill(fill, o) {
		if (!o) o = new_buf(4 * 3 + 8 * 7 + 16 * 1);
		var fls = rev_XLSBFillPTNames[fill.patternType];
		if (fls == null) fls = 0x28;
		o.write_shift(4, fls);
		var j = 0;
		if (fls != 0x28) {
			/* TODO: custom FG Color */
			write_BrtColor({ auto: 1 }, o);
			/* TODO: custom BG Color */
			write_BrtColor({ auto: 1 }, o);

			for (; j < 12; ++j) o.write_shift(4, 0);
		} else {
			for (; j < 4; ++j) o.write_shift(4, 0);

			for (; j < 12; ++j) o.write_shift(4, 0); /* TODO */
			/* iGradientType */
			/* xnumDegree */
			/* xnumFillToLeft */
			/* xnumFillToRight */
			/* xnumFillToTop */
			/* xnumFillToBottom */
			/* cNumStop */
			/* xfillGradientStop */
		}
		return o.length > o.l ? o.slice(0, o.l) : o;
	}

	/* [MS-XLSB] 2.4.824 BrtXF */
	function parse_BrtXF(data, length) {
		var tgt = data.l + length;
		var ixfeParent = data.read_shift(2);
		var ifmt = data.read_shift(2);
		data.l = tgt;
		return { ixfe: ixfeParent, numFmtId: ifmt };
	}
	function write_BrtXF(data, ixfeP, o) {
		if (!o) o = new_buf(16);
		o.write_shift(2, ixfeP || 0);
		o.write_shift(2, data.numFmtId || 0);
		o.write_shift(2, 0); /* iFont */
		o.write_shift(2, 0); /* iFill */
		o.write_shift(2, 0); /* ixBorder */
		o.write_shift(1, 0); /* trot */
		o.write_shift(1, 0); /* indent */
		var flow = 0;
		o.write_shift(1, flow); /* flags */
		o.write_shift(1, 0); /* flags */
		o.write_shift(1, 0); /* xfGrbitAtr */
		o.write_shift(1, 0);
		return o;
	}

	/* [MS-XLSB] 2.5.4 Blxf TODO */
	function write_Blxf(data, o) {
		if (!o) o = new_buf(10);
		o.write_shift(1, 0); /* dg */
		o.write_shift(1, 0);
		o.write_shift(4, 0); /* color */
		o.write_shift(4, 0); /* color */
		return o;
	}
	/* [MS-XLSB] 2.4.302 BrtBorder TODO */
	var parse_BrtBorder = parsenoop;
	function write_BrtBorder(border, o) {
		if (!o) o = new_buf(51);
		o.write_shift(1, 0); /* diagonal */
		write_Blxf(null, o); /* top */
		write_Blxf(null, o); /* bottom */
		write_Blxf(null, o); /* left */
		write_Blxf(null, o); /* right */
		write_Blxf(null, o); /* diag */
		return o.length > o.l ? o.slice(0, o.l) : o;
	}

	/* [MS-XLSB] 2.4.763 BrtStyle TODO */
	function write_BrtStyle(style, o) {
		if (!o) o = new_buf(12 + 4 * 10);
		o.write_shift(4, style.xfId);
		o.write_shift(2, 1);
		o.write_shift(1, +style.builtinId);
		o.write_shift(1, 0); /* iLevel */
		write_XLNullableWideString(style.name || "", o);
		return o.length > o.l ? o.slice(0, o.l) : o;
	}

	/* [MS-XLSB] 2.4.272 BrtBeginTableStyles */
	function write_BrtBeginTableStyles(cnt, defTableStyle, defPivotStyle) {
		var o = new_buf(4 + 256 * 2 * 4);
		o.write_shift(4, cnt);
		write_XLNullableWideString(defTableStyle, o);
		write_XLNullableWideString(defPivotStyle, o);
		return o.length > o.l ? o.slice(0, o.l) : o;
	}

	/* [MS-XLSB] 2.1.7.50 Styles */
	function parse_sty_bin(data, themes, opts) {
		var styles = {};
		styles.NumberFmt = ([]);
		for (var y in SSF._table) styles.NumberFmt[y] = SSF._table[y];

		styles.CellXf = [];
		styles.Fonts = [];
		var state = [];
		var pass = false;
		recordhopper(data, function hopper_sty(val, R_n, RT) {
			switch (RT) {
				case 0x002C: /* 'BrtFmt' */
					styles.NumberFmt[val[0]] = val[1]; SSF.load(val[1], val[0]);
					break;
				case 0x002B: /* 'BrtFont' */
					styles.Fonts.push(val);
					if (val.color.theme != null && themes && themes.themeElements && themes.themeElements.clrScheme) {
						val.color.rgb = rgb_tint(themes.themeElements.clrScheme[val.color.theme].rgb, val.color.tint || 0);
					}
					break;
				case 0x0401: /* 'BrtKnownFonts' */ break;
				case 0x002D: /* 'BrtFill' */
					break;
				case 0x002E: /* 'BrtBorder' */
					break;
				case 0x002F: /* 'BrtXF' */
					if (state[state.length - 1] == "BrtBeginCellXFs") {
						styles.CellXf.push(val);
					}
					break;
				case 0x0030: /* 'BrtStyle' */
				case 0x01FB: /* 'BrtDXF' */
				case 0x023C: /* 'BrtMRUColor' */
				case 0x01DB: /* 'BrtIndexedColor': */
					break;

				case 0x0493: /* 'BrtDXF14' */
				case 0x0836: /* 'BrtDXF15' */
				case 0x046A: /* 'BrtSlicerStyleElement' */
				case 0x0200: /* 'BrtTableStyleElement' */
				case 0x082F: /* 'BrtTimelineStyleElement' */
				case 0x0C00: /* 'BrtUid' */
					break;

				case 0x0023: /* 'BrtFRTBegin' */
					pass = true; break;
				case 0x0024: /* 'BrtFRTEnd' */
					pass = false; break;
				case 0x0025: /* 'BrtACBegin' */
					state.push(R_n); pass = true; break;
				case 0x0026: /* 'BrtACEnd' */
					state.pop(); pass = false; break;

				default:
					if ((R_n || "").indexOf("Begin") > 0) state.push(R_n);
					else if ((R_n || "").indexOf("End") > 0) state.pop();
					else if (!pass || (opts.WTF && state[state.length - 1] != "BrtACBegin")) throw new Error("Unexpected record " + RT + " " + R_n);
			}
		});
		return styles;
	}

	function write_FMTS_bin(ba, NF) {
		if (!NF) return;
		var cnt = 0;
		[[5, 8], [23, 26], [41, 44], [/*63*/50,/*66],[164,*/392]].forEach(function (r) {
			for (var i = r[0]; i <= r[1]; ++i) if (NF[i] != null) ++cnt;
		});

		if (cnt == 0) return;
		write_record(ba, "BrtBeginFmts", write_UInt32LE(cnt));
		[[5, 8], [23, 26], [41, 44], [/*63*/50,/*66],[164,*/392]].forEach(function (r) {
			for (var i = r[0]; i <= r[1]; ++i) if (NF[i] != null) write_record(ba, "BrtFmt", write_BrtFmt(i, NF[i]));
		});
		write_record(ba, "BrtEndFmts");
	}

	function write_FONTS_bin(ba) {
		var cnt = 1;

		if (cnt == 0) return;
		write_record(ba, "BrtBeginFonts", write_UInt32LE(cnt));
		write_record(ba, "BrtFont", write_BrtFont({
			sz: 12,
			color: { theme: 1 },
			name: "Calibri",
			family: 2,
			scheme: "minor"
		}));
		/* 1*65491BrtFont [ACFONTS] */
		write_record(ba, "BrtEndFonts");
	}

	function write_FILLS_bin(ba) {
		var cnt = 2;

		if (cnt == 0) return;
		write_record(ba, "BrtBeginFills", write_UInt32LE(cnt));
		write_record(ba, "BrtFill", write_BrtFill({ patternType: "none" }));
		write_record(ba, "BrtFill", write_BrtFill({ patternType: "gray125" }));
		/* 1*65431BrtFill */
		write_record(ba, "BrtEndFills");
	}

	function write_BORDERS_bin(ba) {
		var cnt = 1;

		if (cnt == 0) return;
		write_record(ba, "BrtBeginBorders", write_UInt32LE(cnt));
		write_record(ba, "BrtBorder", write_BrtBorder({}));
		/* 1*65430BrtBorder */
		write_record(ba, "BrtEndBorders");
	}

	function write_CELLSTYLEXFS_bin(ba) {
		var cnt = 1;
		write_record(ba, "BrtBeginCellStyleXFs", write_UInt32LE(cnt));
		write_record(ba, "BrtXF", write_BrtXF({
			numFmtId: 0,
			fontId: 0,
			fillId: 0,
			borderId: 0
		}, 0xFFFF));
		/* 1*65430(BrtXF *FRT) */
		write_record(ba, "BrtEndCellStyleXFs");
	}

	function write_CELLXFS_bin(ba, data) {
		write_record(ba, "BrtBeginCellXFs", write_UInt32LE(data.length));
		data.forEach(function (c) { write_record(ba, "BrtXF", write_BrtXF(c, 0)); });
		/* 1*65430(BrtXF *FRT) */
		write_record(ba, "BrtEndCellXFs");
	}

	function write_STYLES_bin(ba) {
		var cnt = 1;

		write_record(ba, "BrtBeginStyles", write_UInt32LE(cnt));
		write_record(ba, "BrtStyle", write_BrtStyle({
			xfId: 0,
			builtinId: 0,
			name: "Normal"
		}));
		/* 1*65430(BrtStyle *FRT) */
		write_record(ba, "BrtEndStyles");
	}

	function write_DXFS_bin(ba) {
		var cnt = 0;

		write_record(ba, "BrtBeginDXFs", write_UInt32LE(cnt));
		/* *2147483647(BrtDXF *FRT) */
		write_record(ba, "BrtEndDXFs");
	}

	function write_TABLESTYLES_bin(ba) {
		var cnt = 0;

		write_record(ba, "BrtBeginTableStyles", write_BrtBeginTableStyles(cnt, "TableStyleMedium9", "PivotStyleMedium4"));
		/* *TABLESTYLE */
		write_record(ba, "BrtEndTableStyles");
	}

	function write_COLORPALETTE_bin() {
		return;
		/* BrtBeginColorPalette [INDEXEDCOLORS] [MRUCOLORS] BrtEndColorPalette */
	}

	/* [MS-XLSB] 2.1.7.50 Styles */
	function write_sty_bin(wb, opts) {
		var ba = buf_array();
		write_record(ba, "BrtBeginStyleSheet");
		write_FMTS_bin(ba, wb.SSF);
		write_FONTS_bin(ba, wb);
		write_FILLS_bin(ba, wb);
		write_BORDERS_bin(ba, wb);
		write_CELLSTYLEXFS_bin(ba, wb);
		write_CELLXFS_bin(ba, opts.cellXfs);
		write_STYLES_bin(ba, wb);
		write_DXFS_bin(ba, wb);
		write_TABLESTYLES_bin(ba, wb);
		write_COLORPALETTE_bin(ba, wb);
		/* FRTSTYLESHEET*/
		write_record(ba, "BrtEndStyleSheet");
		return ba.end();
	}
	RELS.THEME = "http://schemas.openxmlformats.org/officeDocument/2006/relationships/theme";

	/* 20.1.6.2 clrScheme CT_ColorScheme */
	function parse_clrScheme(t, themes, opts) {
		themes.themeElements.clrScheme = [];
		var color = {};
		(t[0].match(tagregex) || []).forEach(function (x) {
			var y = parsexmltag(x);
			switch (y[0]) {
				/* 20.1.6.2 clrScheme (Color Scheme) CT_ColorScheme */
				case '<a:clrScheme': case '</a:clrScheme>': break;

				/* 20.1.2.3.32 srgbClr CT_SRgbColor */
				case '<a:srgbClr':
					color.rgb = y.val; break;

				/* 20.1.2.3.33 sysClr CT_SystemColor */
				case '<a:sysClr':
					color.rgb = y.lastClr; break;

				/* 20.1.4.1.1 accent1 (Accent 1) */
				/* 20.1.4.1.2 accent2 (Accent 2) */
				/* 20.1.4.1.3 accent3 (Accent 3) */
				/* 20.1.4.1.4 accent4 (Accent 4) */
				/* 20.1.4.1.5 accent5 (Accent 5) */
				/* 20.1.4.1.6 accent6 (Accent 6) */
				/* 20.1.4.1.9 dk1 (Dark 1) */
				/* 20.1.4.1.10 dk2 (Dark 2) */
				/* 20.1.4.1.15 folHlink (Followed Hyperlink) */
				/* 20.1.4.1.19 hlink (Hyperlink) */
				/* 20.1.4.1.22 lt1 (Light 1) */
				/* 20.1.4.1.23 lt2 (Light 2) */
				case '<a:dk1>': case '</a:dk1>':
				case '<a:lt1>': case '</a:lt1>':
				case '<a:dk2>': case '</a:dk2>':
				case '<a:lt2>': case '</a:lt2>':
				case '<a:accent1>': case '</a:accent1>':
				case '<a:accent2>': case '</a:accent2>':
				case '<a:accent3>': case '</a:accent3>':
				case '<a:accent4>': case '</a:accent4>':
				case '<a:accent5>': case '</a:accent5>':
				case '<a:accent6>': case '</a:accent6>':
				case '<a:hlink>': case '</a:hlink>':
				case '<a:folHlink>': case '</a:folHlink>':
					if (y[0].charAt(1) === '/') {
						themes.themeElements.clrScheme.push(color);
						color = {};
					} else {
						color.name = y[0].slice(3, y[0].length - 1);
					}
					break;

				default: if (opts && opts.WTF) throw new Error('Unrecognized ' + y[0] + ' in clrScheme');
			}
		});
	}

	/* 20.1.4.1.18 fontScheme CT_FontScheme */
	function parse_fontScheme() { }

	/* 20.1.4.1.15 fmtScheme CT_StyleMatrix */
	function parse_fmtScheme() { }

	var clrsregex = /<a:clrScheme([^>]*)>[\s\S]*<\/a:clrScheme>/;
	var fntsregex = /<a:fontScheme([^>]*)>[\s\S]*<\/a:fontScheme>/;
	var fmtsregex = /<a:fmtScheme([^>]*)>[\s\S]*<\/a:fmtScheme>/;

	/* 20.1.6.10 themeElements CT_BaseStyles */
	function parse_themeElements(data, themes, opts) {
		themes.themeElements = {};

		var t;

		[
			/* clrScheme CT_ColorScheme */
			['clrScheme', clrsregex, parse_clrScheme],
			/* fontScheme CT_FontScheme */
			['fontScheme', fntsregex, parse_fontScheme],
			/* fmtScheme CT_StyleMatrix */
			['fmtScheme', fmtsregex, parse_fmtScheme]
		].forEach(function (m) {
			if (!(t = data.match(m[1]))) throw new Error(m[0] + ' not found in themeElements');
			m[2](t, themes, opts);
		});
	}

	var themeltregex = /<a:themeElements([^>]*)>[\s\S]*<\/a:themeElements>/;

	/* 14.2.7 Theme Part */
	function parse_theme_xml(data, opts) {
		/* 20.1.6.9 theme CT_OfficeStyleSheet */
		if (!data || data.length === 0) return parse_theme_xml(write_theme());

		var t;
		var themes = {};

		/* themeElements CT_BaseStyles */
		if (!(t = data.match(themeltregex))) throw new Error('themeElements not found in theme');
		parse_themeElements(t[0], themes, opts);
		themes.raw = data;
		return themes;
	}

	function write_theme(Themes, opts) {
		if (opts && opts.themeXLSX) return opts.themeXLSX;
		if (Themes && typeof Themes.raw == "string") return Themes.raw;
		var o = [XML_HEADER];
		o[o.length] = '<a:theme xmlns:a="http://schemas.openxmlformats.org/drawingml/2006/main" name="Office Theme">';
		o[o.length] = '<a:themeElements>';

		o[o.length] = '<a:clrScheme name="Office">';
		o[o.length] = '<a:dk1><a:sysClr val="windowText" lastClr="000000"/></a:dk1>';
		o[o.length] = '<a:lt1><a:sysClr val="window" lastClr="FFFFFF"/></a:lt1>';
		o[o.length] = '<a:dk2><a:srgbClr val="1F497D"/></a:dk2>';
		o[o.length] = '<a:lt2><a:srgbClr val="EEECE1"/></a:lt2>';
		o[o.length] = '<a:accent1><a:srgbClr val="4F81BD"/></a:accent1>';
		o[o.length] = '<a:accent2><a:srgbClr val="C0504D"/></a:accent2>';
		o[o.length] = '<a:accent3><a:srgbClr val="9BBB59"/></a:accent3>';
		o[o.length] = '<a:accent4><a:srgbClr val="8064A2"/></a:accent4>';
		o[o.length] = '<a:accent5><a:srgbClr val="4BACC6"/></a:accent5>';
		o[o.length] = '<a:accent6><a:srgbClr val="F79646"/></a:accent6>';
		o[o.length] = '<a:hlink><a:srgbClr val="0000FF"/></a:hlink>';
		o[o.length] = '<a:folHlink><a:srgbClr val="800080"/></a:folHlink>';
		o[o.length] = '</a:clrScheme>';

		o[o.length] = '<a:fontScheme name="Office">';
		o[o.length] = '<a:majorFont>';
		o[o.length] = '<a:latin typeface="Cambria"/>';
		o[o.length] = '<a:ea typeface=""/>';
		o[o.length] = '<a:cs typeface=""/>';
		o[o.length] = '<a:font script="Jpan" typeface="ＭＳ Ｐゴシック"/>';
		o[o.length] = '<a:font script="Hang" typeface="맑은 고딕"/>';
		o[o.length] = '<a:font script="Hans" typeface="宋体"/>';
		o[o.length] = '<a:font script="Hant" typeface="新細明體"/>';
		o[o.length] = '<a:font script="Arab" typeface="Times New Roman"/>';
		o[o.length] = '<a:font script="Hebr" typeface="Times New Roman"/>';
		o[o.length] = '<a:font script="Thai" typeface="Tahoma"/>';
		o[o.length] = '<a:font script="Ethi" typeface="Nyala"/>';
		o[o.length] = '<a:font script="Beng" typeface="Vrinda"/>';
		o[o.length] = '<a:font script="Gujr" typeface="Shruti"/>';
		o[o.length] = '<a:font script="Khmr" typeface="MoolBoran"/>';
		o[o.length] = '<a:font script="Knda" typeface="Tunga"/>';
		o[o.length] = '<a:font script="Guru" typeface="Raavi"/>';
		o[o.length] = '<a:font script="Cans" typeface="Euphemia"/>';
		o[o.length] = '<a:font script="Cher" typeface="Plantagenet Cherokee"/>';
		o[o.length] = '<a:font script="Yiii" typeface="Microsoft Yi Baiti"/>';
		o[o.length] = '<a:font script="Tibt" typeface="Microsoft Himalaya"/>';
		o[o.length] = '<a:font script="Thaa" typeface="MV Boli"/>';
		o[o.length] = '<a:font script="Deva" typeface="Mangal"/>';
		o[o.length] = '<a:font script="Telu" typeface="Gautami"/>';
		o[o.length] = '<a:font script="Taml" typeface="Latha"/>';
		o[o.length] = '<a:font script="Syrc" typeface="Estrangelo Edessa"/>';
		o[o.length] = '<a:font script="Orya" typeface="Kalinga"/>';
		o[o.length] = '<a:font script="Mlym" typeface="Kartika"/>';
		o[o.length] = '<a:font script="Laoo" typeface="DokChampa"/>';
		o[o.length] = '<a:font script="Sinh" typeface="Iskoola Pota"/>';
		o[o.length] = '<a:font script="Mong" typeface="Mongolian Baiti"/>';
		o[o.length] = '<a:font script="Viet" typeface="Times New Roman"/>';
		o[o.length] = '<a:font script="Uigh" typeface="Microsoft Uighur"/>';
		o[o.length] = '<a:font script="Geor" typeface="Sylfaen"/>';
		o[o.length] = '</a:majorFont>';
		o[o.length] = '<a:minorFont>';
		o[o.length] = '<a:latin typeface="Calibri"/>';
		o[o.length] = '<a:ea typeface=""/>';
		o[o.length] = '<a:cs typeface=""/>';
		o[o.length] = '<a:font script="Jpan" typeface="ＭＳ Ｐゴシック"/>';
		o[o.length] = '<a:font script="Hang" typeface="맑은 고딕"/>';
		o[o.length] = '<a:font script="Hans" typeface="宋体"/>';
		o[o.length] = '<a:font script="Hant" typeface="新細明體"/>';
		o[o.length] = '<a:font script="Arab" typeface="Arial"/>';
		o[o.length] = '<a:font script="Hebr" typeface="Arial"/>';
		o[o.length] = '<a:font script="Thai" typeface="Tahoma"/>';
		o[o.length] = '<a:font script="Ethi" typeface="Nyala"/>';
		o[o.length] = '<a:font script="Beng" typeface="Vrinda"/>';
		o[o.length] = '<a:font script="Gujr" typeface="Shruti"/>';
		o[o.length] = '<a:font script="Khmr" typeface="DaunPenh"/>';
		o[o.length] = '<a:font script="Knda" typeface="Tunga"/>';
		o[o.length] = '<a:font script="Guru" typeface="Raavi"/>';
		o[o.length] = '<a:font script="Cans" typeface="Euphemia"/>';
		o[o.length] = '<a:font script="Cher" typeface="Plantagenet Cherokee"/>';
		o[o.length] = '<a:font script="Yiii" typeface="Microsoft Yi Baiti"/>';
		o[o.length] = '<a:font script="Tibt" typeface="Microsoft Himalaya"/>';
		o[o.length] = '<a:font script="Thaa" typeface="MV Boli"/>';
		o[o.length] = '<a:font script="Deva" typeface="Mangal"/>';
		o[o.length] = '<a:font script="Telu" typeface="Gautami"/>';
		o[o.length] = '<a:font script="Taml" typeface="Latha"/>';
		o[o.length] = '<a:font script="Syrc" typeface="Estrangelo Edessa"/>';
		o[o.length] = '<a:font script="Orya" typeface="Kalinga"/>';
		o[o.length] = '<a:font script="Mlym" typeface="Kartika"/>';
		o[o.length] = '<a:font script="Laoo" typeface="DokChampa"/>';
		o[o.length] = '<a:font script="Sinh" typeface="Iskoola Pota"/>';
		o[o.length] = '<a:font script="Mong" typeface="Mongolian Baiti"/>';
		o[o.length] = '<a:font script="Viet" typeface="Arial"/>';
		o[o.length] = '<a:font script="Uigh" typeface="Microsoft Uighur"/>';
		o[o.length] = '<a:font script="Geor" typeface="Sylfaen"/>';
		o[o.length] = '</a:minorFont>';
		o[o.length] = '</a:fontScheme>';

		o[o.length] = '<a:fmtScheme name="Office">';
		o[o.length] = '<a:fillStyleLst>';
		o[o.length] = '<a:solidFill><a:schemeClr val="phClr"/></a:solidFill>';
		o[o.length] = '<a:gradFill rotWithShape="1">';
		o[o.length] = '<a:gsLst>';
		o[o.length] = '<a:gs pos="0"><a:schemeClr val="phClr"><a:tint val="50000"/><a:satMod val="300000"/></a:schemeClr></a:gs>';
		o[o.length] = '<a:gs pos="35000"><a:schemeClr val="phClr"><a:tint val="37000"/><a:satMod val="300000"/></a:schemeClr></a:gs>';
		o[o.length] = '<a:gs pos="100000"><a:schemeClr val="phClr"><a:tint val="15000"/><a:satMod val="350000"/></a:schemeClr></a:gs>';
		o[o.length] = '</a:gsLst>';
		o[o.length] = '<a:lin ang="16200000" scaled="1"/>';
		o[o.length] = '</a:gradFill>';
		o[o.length] = '<a:gradFill rotWithShape="1">';
		o[o.length] = '<a:gsLst>';
		o[o.length] = '<a:gs pos="0"><a:schemeClr val="phClr"><a:tint val="100000"/><a:shade val="100000"/><a:satMod val="130000"/></a:schemeClr></a:gs>';
		o[o.length] = '<a:gs pos="100000"><a:schemeClr val="phClr"><a:tint val="50000"/><a:shade val="100000"/><a:satMod val="350000"/></a:schemeClr></a:gs>';
		o[o.length] = '</a:gsLst>';
		o[o.length] = '<a:lin ang="16200000" scaled="0"/>';
		o[o.length] = '</a:gradFill>';
		o[o.length] = '</a:fillStyleLst>';
		o[o.length] = '<a:lnStyleLst>';
		o[o.length] = '<a:ln w="9525" cap="flat" cmpd="sng" algn="ctr"><a:solidFill><a:schemeClr val="phClr"><a:shade val="95000"/><a:satMod val="105000"/></a:schemeClr></a:solidFill><a:prstDash val="solid"/></a:ln>';
		o[o.length] = '<a:ln w="25400" cap="flat" cmpd="sng" algn="ctr"><a:solidFill><a:schemeClr val="phClr"/></a:solidFill><a:prstDash val="solid"/></a:ln>';
		o[o.length] = '<a:ln w="38100" cap="flat" cmpd="sng" algn="ctr"><a:solidFill><a:schemeClr val="phClr"/></a:solidFill><a:prstDash val="solid"/></a:ln>';
		o[o.length] = '</a:lnStyleLst>';
		o[o.length] = '<a:effectStyleLst>';
		o[o.length] = '<a:effectStyle>';
		o[o.length] = '<a:effectLst>';
		o[o.length] = '<a:outerShdw blurRad="40000" dist="20000" dir="5400000" rotWithShape="0"><a:srgbClr val="000000"><a:alpha val="38000"/></a:srgbClr></a:outerShdw>';
		o[o.length] = '</a:effectLst>';
		o[o.length] = '</a:effectStyle>';
		o[o.length] = '<a:effectStyle>';
		o[o.length] = '<a:effectLst>';
		o[o.length] = '<a:outerShdw blurRad="40000" dist="23000" dir="5400000" rotWithShape="0"><a:srgbClr val="000000"><a:alpha val="35000"/></a:srgbClr></a:outerShdw>';
		o[o.length] = '</a:effectLst>';
		o[o.length] = '</a:effectStyle>';
		o[o.length] = '<a:effectStyle>';
		o[o.length] = '<a:effectLst>';
		o[o.length] = '<a:outerShdw blurRad="40000" dist="23000" dir="5400000" rotWithShape="0"><a:srgbClr val="000000"><a:alpha val="35000"/></a:srgbClr></a:outerShdw>';
		o[o.length] = '</a:effectLst>';
		o[o.length] = '<a:scene3d><a:camera prst="orthographicFront"><a:rot lat="0" lon="0" rev="0"/></a:camera><a:lightRig rig="threePt" dir="t"><a:rot lat="0" lon="0" rev="1200000"/></a:lightRig></a:scene3d>';
		o[o.length] = '<a:sp3d><a:bevelT w="63500" h="25400"/></a:sp3d>';
		o[o.length] = '</a:effectStyle>';
		o[o.length] = '</a:effectStyleLst>';
		o[o.length] = '<a:bgFillStyleLst>';
		o[o.length] = '<a:solidFill><a:schemeClr val="phClr"/></a:solidFill>';
		o[o.length] = '<a:gradFill rotWithShape="1">';
		o[o.length] = '<a:gsLst>';
		o[o.length] = '<a:gs pos="0"><a:schemeClr val="phClr"><a:tint val="40000"/><a:satMod val="350000"/></a:schemeClr></a:gs>';
		o[o.length] = '<a:gs pos="40000"><a:schemeClr val="phClr"><a:tint val="45000"/><a:shade val="99000"/><a:satMod val="350000"/></a:schemeClr></a:gs>';
		o[o.length] = '<a:gs pos="100000"><a:schemeClr val="phClr"><a:shade val="20000"/><a:satMod val="255000"/></a:schemeClr></a:gs>';
		o[o.length] = '</a:gsLst>';
		o[o.length] = '<a:path path="circle"><a:fillToRect l="50000" t="-80000" r="50000" b="180000"/></a:path>';
		o[o.length] = '</a:gradFill>';
		o[o.length] = '<a:gradFill rotWithShape="1">';
		o[o.length] = '<a:gsLst>';
		o[o.length] = '<a:gs pos="0"><a:schemeClr val="phClr"><a:tint val="80000"/><a:satMod val="300000"/></a:schemeClr></a:gs>';
		o[o.length] = '<a:gs pos="100000"><a:schemeClr val="phClr"><a:shade val="30000"/><a:satMod val="200000"/></a:schemeClr></a:gs>';
		o[o.length] = '</a:gsLst>';
		o[o.length] = '<a:path path="circle"><a:fillToRect l="50000" t="50000" r="50000" b="50000"/></a:path>';
		o[o.length] = '</a:gradFill>';
		o[o.length] = '</a:bgFillStyleLst>';
		o[o.length] = '</a:fmtScheme>';
		o[o.length] = '</a:themeElements>';

		o[o.length] = '<a:objectDefaults>';
		o[o.length] = '<a:spDef>';
		o[o.length] = '<a:spPr/><a:bodyPr/><a:lstStyle/><a:style><a:lnRef idx="1"><a:schemeClr val="accent1"/></a:lnRef><a:fillRef idx="3"><a:schemeClr val="accent1"/></a:fillRef><a:effectRef idx="2"><a:schemeClr val="accent1"/></a:effectRef><a:fontRef idx="minor"><a:schemeClr val="lt1"/></a:fontRef></a:style>';
		o[o.length] = '</a:spDef>';
		o[o.length] = '<a:lnDef>';
		o[o.length] = '<a:spPr/><a:bodyPr/><a:lstStyle/><a:style><a:lnRef idx="2"><a:schemeClr val="accent1"/></a:lnRef><a:fillRef idx="0"><a:schemeClr val="accent1"/></a:fillRef><a:effectRef idx="1"><a:schemeClr val="accent1"/></a:effectRef><a:fontRef idx="minor"><a:schemeClr val="tx1"/></a:fontRef></a:style>';
		o[o.length] = '</a:lnDef>';
		o[o.length] = '</a:objectDefaults>';
		o[o.length] = '<a:extraClrSchemeLst/>';
		o[o.length] = '</a:theme>';
		return o.join("");
	}
	/* [MS-XLS] 2.4.326 TODO: payload is a zip file */
	function parse_Theme(blob, length, opts) {
		var end = blob.l + length;
		var dwThemeVersion = blob.read_shift(4);
		if (dwThemeVersion === 124226) return;
		if (!opts.cellStyles || !jszip) { blob.l = end; return; }
		var data = blob.slice(blob.l);
		blob.l = end;
		var zip; try { zip = new jszip(data); } catch (e) { return; }
		var themeXML = getzipstr(zip, "theme/theme/theme1.xml", true);
		if (!themeXML) return;
		return parse_theme_xml(themeXML, opts);
	}

	/* 2.5.49 */
	function parse_ColorTheme(blob) { return blob.read_shift(4); }

	/* 2.5.155 */
	function parse_FullColorExt(blob) {
		var o = {};
		o.xclrType = blob.read_shift(2);
		o.nTintShade = blob.read_shift(2);
		switch (o.xclrType) {
			case 0: blob.l += 4; break;
			case 1: o.xclrValue = parse_IcvXF(blob, 4); break;
			case 2: o.xclrValue = parse_LongRGBA(blob, 4); break;
			case 3: o.xclrValue = parse_ColorTheme(blob, 4); break;
			case 4: blob.l += 4; break;
		}
		blob.l += 8;
		return o;
	}

	/* 2.5.164 TODO: read 7 bits*/
	function parse_IcvXF(blob, length) {
		return parsenoop(blob, length);
	}

	/* 2.5.280 */
	function parse_XFExtGradient(blob, length) {
		return parsenoop(blob, length);
	}

	/* [MS-XLS] 2.5.108 */
	function parse_ExtProp(blob) {
		var extType = blob.read_shift(2);
		var cb = blob.read_shift(2) - 4;
		var o = [extType];
		switch (extType) {
			case 0x04: case 0x05: case 0x07: case 0x08:
			case 0x09: case 0x0A: case 0x0B: case 0x0D:
				o[1] = parse_FullColorExt(blob, cb); break;
			case 0x06: o[1] = parse_XFExtGradient(blob, cb); break;
			case 0x0E: case 0x0F: o[1] = blob.read_shift(cb === 1 ? 1 : 2); break;
			default: throw new Error("Unrecognized ExtProp type: " + extType + " " + cb);
		}
		return o;
	}

	/* 2.4.355 */
	function parse_XFExt(blob, length) {
		var end = blob.l + length;
		blob.l += 2;
		var ixfe = blob.read_shift(2);
		blob.l += 2;
		var cexts = blob.read_shift(2);
		var ext = [];
		while (cexts-- > 0) ext.push(parse_ExtProp(blob, end - blob.l));
		return { ixfe: ixfe, ext: ext };
	}

	/* xf is an XF, see parse_XFExt for xfext */
	function update_xfext(xf, xfext) {
		xfext.forEach(function (xfe) {
			switch (xfe[0]) { /* 2.5.108 extPropData */
				case 0x04: break; /* foreground color */
				case 0x05: break; /* background color */
				case 0x06: break; /* gradient fill */
				case 0x07: break; /* top cell border color */
				case 0x08: break; /* bottom cell border color */
				case 0x09: break; /* left cell border color */
				case 0x0a: break; /* right cell border color */
				case 0x0b: break; /* diagonal cell border color */
				case 0x0d: /* text color */
					break;
				case 0x0e: break; /* font scheme */
				case 0x0f: break; /* indentation level */
			}
		});
	}

	/* 18.6 Calculation Chain */
	function parse_cc_xml(data) {
		var d = [];
		if (!data) return d;
		var i = 1;
		(data.match(tagregex) || []).forEach(function (x) {
			var y = parsexmltag(x);
			switch (y[0]) {
				case '<?xml': break;
				/* 18.6.2  calcChain CT_CalcChain 1 */
				case '<calcChain': case '<calcChain>': case '</calcChain>': break;
				/* 18.6.1  c CT_CalcCell 1 */
				case '<c': delete y[0]; if (y.i) i = y.i; else y.i = i; d.push(y); break;
			}
		});
		return d;
	}

	//function write_cc_xml(data, opts) { }

	/* [MS-XLSB] 2.6.4.1 */
	function parse_BrtCalcChainItem$(data) {
		var out = {};
		out.i = data.read_shift(4);
		var cell = {};
		cell.r = data.read_shift(4);
		cell.c = data.read_shift(4);
		out.r = encode_cell(cell);
		var flags = data.read_shift(1);
		if (flags & 0x2) out.l = '1';
		if (flags & 0x8) out.a = '1';
		return out;
	}

	/* 18.6 Calculation Chain */
	function parse_cc_bin(data, name, opts) {
		var out = [];
		var pass = false;
		recordhopper(data, function hopper_cc(val, R_n, RT) {
			switch (RT) {
				case 0x003F: /* 'BrtCalcChainItem$' */
					out.push(val); break;

				default:
					if ((R_n || "").indexOf("Begin") > 0) {/* empty */ }
					else if ((R_n || "").indexOf("End") > 0) {/* empty */ }
					else if (!pass || opts.WTF) throw new Error("Unexpected record " + RT + " " + R_n);
			}
		});
		return out;
	}

	//function write_cc_bin(data, opts) { }
	/* 18.14 Supplementary Workbook Data */
	function parse_xlink_xml() {
		//var opts = _opts || {};
		//if(opts.WTF) throw "XLSX External Link";
	}

	/* [MS-XLSB] 2.1.7.25 External Link */
	function parse_xlink_bin(data, rel, name, _opts) {
		if (!data) return data;
		var opts = _opts || {};

		var pass = false, end = false;

		recordhopper(data, function xlink_parse(val, R_n, RT) {
			if (end) return;
			switch (RT) {
				case 0x0167: /* 'BrtSupTabs' */
				case 0x016B: /* 'BrtExternTableStart' */
				case 0x016C: /* 'BrtExternTableEnd' */
				case 0x016E: /* 'BrtExternRowHdr' */
				case 0x016F: /* 'BrtExternCellBlank' */
				case 0x0170: /* 'BrtExternCellReal' */
				case 0x0171: /* 'BrtExternCellBool' */
				case 0x0172: /* 'BrtExternCellError' */
				case 0x0173: /* 'BrtExternCellString' */
				case 0x01D8: /* 'BrtExternValueMeta' */
				case 0x0241: /* 'BrtSupNameStart' */
				case 0x0242: /* 'BrtSupNameValueStart' */
				case 0x0243: /* 'BrtSupNameValueEnd' */
				case 0x0244: /* 'BrtSupNameNum' */
				case 0x0245: /* 'BrtSupNameErr' */
				case 0x0246: /* 'BrtSupNameSt' */
				case 0x0247: /* 'BrtSupNameNil' */
				case 0x0248: /* 'BrtSupNameBool' */
				case 0x0249: /* 'BrtSupNameFmla' */
				case 0x024A: /* 'BrtSupNameBits' */
				case 0x024B: /* 'BrtSupNameEnd' */
					break;

				case 0x0023: /* 'BrtFRTBegin' */
					pass = true; break;
				case 0x0024: /* 'BrtFRTEnd' */
					pass = false; break;

				default:
					if ((R_n || "").indexOf("Begin") > 0) {/* empty */ }
					else if ((R_n || "").indexOf("End") > 0) {/* empty */ }
					else if (!pass || opts.WTF) throw new Error("Unexpected record " + RT.toString(16) + " " + R_n);
			}
		}, opts);
	}
	/* 20.5 DrawingML - SpreadsheetML Drawing */
	RELS.IMG = "http://schemas.openxmlformats.org/officeDocument/2006/relationships/image";
	RELS.DRAW = "http://schemas.openxmlformats.org/officeDocument/2006/relationships/drawing";

	/* 20.5.2.35 wsDr CT_Drawing */
	function parse_drawing(data, rels) {
		if (!data) return "??";
		/*
		  Chartsheet Drawing:
		   - 20.5.2.35 wsDr CT_Drawing
			- 20.5.2.1  absoluteAnchor CT_AbsoluteAnchor
			 - 20.5.2.16 graphicFrame CT_GraphicalObjectFrame
			  - 20.1.2.2.16 graphic CT_GraphicalObject
			   - 20.1.2.2.17 graphicData CT_GraphicalObjectData
			  - chart reference
		   the actual type is based on the URI of the graphicData
			TODO: handle embedded charts and other types of graphics
		*/
		var id = (data.match(/<c:chart [^>]*r:id="([^"]*)"/) || ["", ""])[1];

		return rels['!id'][id].Target;
	}

	/* L.5.5.2 SpreadsheetML Comments + VML Schema */
	var _shapeid = 1024;
	function write_comments_vml(rId, comments) {
		var csize = [21600, 21600];
		/* L.5.2.1.2 Path Attribute */
		var bbox = ["m0,0l0", csize[1], csize[0], csize[1], csize[0], "0xe"].join(",");
		var o = [
			writextag("xml", null, { 'xmlns:v': XLMLNS.v, 'xmlns:o': XLMLNS.o, 'xmlns:x': XLMLNS.x, 'xmlns:mv': XLMLNS.mv }).replace(/\/>/, ">"),
			writextag("o:shapelayout", writextag("o:idmap", null, { 'v:ext': "edit", 'data': rId }), { 'v:ext': "edit" }),
			writextag("v:shapetype", [
				writextag("v:stroke", null, { joinstyle: "miter" }),
				writextag("v:path", null, { gradientshapeok: "t", 'o:connecttype': "rect" })
			].join(""), { id: "_x0000_t202", 'o:spt': 202, coordsize: csize.join(","), path: bbox })
		];
		while (_shapeid < rId * 1000) _shapeid += 1000;

		comments.forEach(function (x) {
			var c = decode_cell(x[0]);
			var fillopts = { 'color2': "#BEFF82", 'type': "gradient" };
			if (fillopts.type == "gradient") fillopts.angle = "-180";
			var fillparm = fillopts.type == "gradient" ? writextag("o:fill", null, { type: "gradientUnscaled", 'v:ext': "view" }) : null;
			var fillxml = writextag('v:fill', fillparm, fillopts);

			var shadata = ({ on: "t", 'obscured': "t" });
			++_shapeid;

			o = o.concat([
				'<v:shape' + wxt_helper({
					id: '_x0000_s' + _shapeid,
					type: "#_x0000_t202",
					style: "position:absolute; margin-left:80pt;margin-top:5pt;width:104pt;height:64pt;z-index:10" + (x[1].hidden ? ";visibility:hidden" : ""),
					fillcolor: "#ECFAD4",
					strokecolor: "#edeaa1"
				}) + '>',
				fillxml,
				writextag("v:shadow", null, shadata),
				writextag("v:path", null, { 'o:connecttype': "none" }),
				'<v:textbox><div style="text-align:left"></div></v:textbox>',
				'<x:ClientData ObjectType="Note">',
				'<x:MoveWithCells/>',
				'<x:SizeWithCells/>',
				/* Part 4 19.4.2.3 Anchor (Anchor) */
				writetag('x:Anchor', [c.c + 1, 0, c.r + 1, 0, c.c + 3, 20, c.r + 5, 20].join(",")),
				writetag('x:AutoFill', "False"),
				writetag('x:Row', String(c.r)),
				writetag('x:Column', String(c.c)),
				x[1].hidden ? '' : '<x:Visible/>',
				'</x:ClientData>',
				'</v:shape>'
			]);
		});
		o.push('</xml>');
		return o.join("");
	}
	RELS.CMNT = "http://schemas.openxmlformats.org/officeDocument/2006/relationships/comments";

	function sheet_insert_comments(sheet, comments) {
		var dense = Array.isArray(sheet);
		var cell;
		comments.forEach(function (comment) {
			var r = decode_cell(comment.ref);
			if (dense) {
				if (!sheet[r.r]) sheet[r.r] = [];
				cell = sheet[r.r][r.c];
			} else cell = sheet[comment.ref];
			if (!cell) {
				cell = ({ t: "z" });
				if (dense) sheet[r.r][r.c] = cell;
				else sheet[comment.ref] = cell;
				var range = safe_decode_range(sheet["!ref"] || "BDWGO1000001:A1");
				if (range.s.r > r.r) range.s.r = r.r;
				if (range.e.r < r.r) range.e.r = r.r;
				if (range.s.c > r.c) range.s.c = r.c;
				if (range.e.c < r.c) range.e.c = r.c;
				var encoded = encode_range(range);
				if (encoded !== sheet["!ref"]) sheet["!ref"] = encoded;
			}

			if (!cell.c) cell.c = [];
			var o = ({ a: comment.author, t: comment.t, r: comment.r });
			if (comment.h) o.h = comment.h;
			cell.c.push(o);
		});
	}

	/* 18.7 Comments */
	function parse_comments_xml(data, opts) {
		/* 18.7.6 CT_Comments */
		if (data.match(/<(?:\w+:)?comments *\/>/)) return [];
		var authors = [];
		var commentList = [];
		var authtag = data.match(/<(?:\w+:)?authors>([\s\S]*)<\/(?:\w+:)?authors>/);
		if (authtag && authtag[1]) authtag[1].split(/<\/\w*:?author>/).forEach(function (x) {
			if (x === "" || x.trim() === "") return;
			var a = x.match(/<(?:\w+:)?author[^>]*>(.*)/);
			if (a) authors.push(a[1]);
		});
		var cmnttag = data.match(/<(?:\w+:)?commentList>([\s\S]*)<\/(?:\w+:)?commentList>/);
		if (cmnttag && cmnttag[1]) cmnttag[1].split(/<\/\w*:?comment>/).forEach(function (x) {
			if (x === "" || x.trim() === "") return;
			var cm = x.match(/<(?:\w+:)?comment[^>]*>/);
			if (!cm) return;
			var y = parsexmltag(cm[0]);
			var comment = ({ author: y.authorId && authors[y.authorId] || "sheetjsghost", ref: y.ref, guid: y.guid });
			var cell = decode_cell(y.ref);
			if (opts.sheetRows && opts.sheetRows <= cell.r) return;
			var textMatch = x.match(/<(?:\w+:)?text>([\s\S]*)<\/(?:\w+:)?text>/);
			var rt = !!textMatch && !!textMatch[1] && parse_si(textMatch[1]) || { r: "", t: "", h: "" };
			comment.r = rt.r;
			if (rt.r == "<t></t>") rt.t = rt.h = "";
			comment.t = rt.t.replace(/\r\n/g, "\n").replace(/\r/g, "\n");
			if (opts.cellHTML) comment.h = rt.h;
			commentList.push(comment);
		});
		return commentList;
	}

	var CMNT_XML_ROOT = writextag('comments', null, { 'xmlns': XMLNS.main[0] });
	function write_comments_xml(data) {
		var o = [XML_HEADER, CMNT_XML_ROOT];

		var iauthor = [];
		o.push("<authors>");
		data.forEach(function (x) {
			x[1].forEach(function (w) {
				var a = escapexml(w.a);
				if (iauthor.indexOf(a) > -1) return;
				iauthor.push(a);
				o.push("<author>" + a + "</author>");
			});
		});
		o.push("</authors>");
		o.push("<commentList>");
		data.forEach(function (d) {
			d[1].forEach(function (c) {
				/* 18.7.3 CT_Comment */
				o.push('<comment ref="' + d[0] + '" authorId="' + iauthor.indexOf(escapexml(c.a)) + '"><text>');
				o.push(writetag("t", c.t == null ? "" : escapexml(c.t)));
				o.push('</text></comment>');
			});
		});
		o.push("</commentList>");
		if (o.length > 2) { o[o.length] = ('</comments>'); o[1] = o[1].replace("/>", ">"); }
		return o.join("");
	}
	/* [MS-XLSB] 2.4.28 BrtBeginComment */
	function parse_BrtBeginComment(data) {
		var out = {};
		out.iauthor = data.read_shift(4);
		var rfx = parse_UncheckedRfX(data, 16);
		out.rfx = rfx.s;
		out.ref = encode_cell(rfx.s);
		data.l += 16; /*var guid = parse_GUID(data); */
		return out;
	}
	function write_BrtBeginComment(data, o) {
		if (o == null) o = new_buf(36);
		o.write_shift(4, data[1].iauthor);
		write_UncheckedRfX((data[0]), o);
		o.write_shift(4, 0);
		o.write_shift(4, 0);
		o.write_shift(4, 0);
		o.write_shift(4, 0);
		return o;
	}

	/* [MS-XLSB] 2.4.327 BrtCommentAuthor */
	var parse_BrtCommentAuthor = parse_XLWideString;
	function write_BrtCommentAuthor(data) { return write_XLWideString(data.slice(0, 54)); }

	/* [MS-XLSB] 2.1.7.8 Comments */
	function parse_comments_bin(data, opts) {
		var out = [];
		var authors = [];
		var c = {};
		var pass = false;
		recordhopper(data, function hopper_cmnt(val, R_n, RT) {
			switch (RT) {
				case 0x0278: /* 'BrtCommentAuthor' */
					authors.push(val); break;
				case 0x027B: /* 'BrtBeginComment' */
					c = val; break;
				case 0x027D: /* 'BrtCommentText' */
					c.t = val.t; c.h = val.h; c.r = val.r; break;
				case 0x027C: /* 'BrtEndComment' */
					c.author = authors[c.iauthor];
					delete (c).iauthor;
					if (opts.sheetRows && c.rfx && opts.sheetRows <= c.rfx.r) break;
					if (!c.t) c.t = "";
					delete c.rfx; out.push(c); break;

				case 0x0C00: /* 'BrtUid' */
					break;

				case 0x0023: /* 'BrtFRTBegin' */
					pass = true; break;
				case 0x0024: /* 'BrtFRTEnd' */
					pass = false; break;
				case 0x0025: /* 'BrtACBegin' */ break;
				case 0x0026: /* 'BrtACEnd' */ break;


				default:
					if ((R_n || "").indexOf("Begin") > 0) {/* empty */ }
					else if ((R_n || "").indexOf("End") > 0) {/* empty */ }
					else if (!pass || opts.WTF) throw new Error("Unexpected record " + RT + " " + R_n);
			}
		});
		return out;
	}

	function write_comments_bin(data) {
		var ba = buf_array();
		var iauthor = [];
		write_record(ba, "BrtBeginComments");

		write_record(ba, "BrtBeginCommentAuthors");
		data.forEach(function (comment) {
			comment[1].forEach(function (c) {
				if (iauthor.indexOf(c.a) > -1) return;
				iauthor.push(c.a.slice(0, 54));
				write_record(ba, "BrtCommentAuthor", write_BrtCommentAuthor(c.a));
			});
		});
		write_record(ba, "BrtEndCommentAuthors");

		write_record(ba, "BrtBeginCommentList");
		data.forEach(function (comment) {
			comment[1].forEach(function (c) {
				c.iauthor = iauthor.indexOf(c.a);
				var range = { s: decode_cell(comment[0]), e: decode_cell(comment[0]) };
				write_record(ba, "BrtBeginComment", write_BrtBeginComment([range, c]));
				if (c.t && c.t.length > 0) write_record(ba, "BrtCommentText", write_BrtCommentText(c));
				write_record(ba, "BrtEndComment");
				delete c.iauthor;
			});
		});
		write_record(ba, "BrtEndCommentList");

		write_record(ba, "BrtEndComments");
		return ba.end();
	}
	var CT_VBA = "application/vnd.ms-office.vbaProject";
	function make_vba_xls(cfb) {
		var newcfb = CFB.utils.cfb_new({ root: "R" });
		cfb.FullPaths.forEach(function (p, i) {
			if (p.slice(-1) === "/" || !p.match(/_VBA_PROJECT_CUR/)) return;
			var newpath = p.replace(/^[^\/]*/, "R").replace(/\/_VBA_PROJECT_CUR\u0000*/, "");
			CFB.utils.cfb_add(newcfb, newpath, cfb.FileIndex[i].content);
		});
		return CFB.write(newcfb);
	}

	function fill_vba_xls(cfb, vba) {
		vba.FullPaths.forEach(function (p, i) {
			if (i == 0) return;
			var newpath = p.replace(/[^\/]*[\/]/, "/_VBA_PROJECT_CUR/");
			if (newpath.slice(-1) !== "/") CFB.utils.cfb_add(cfb, newpath, vba.FileIndex[i].content);
		});
	}

	var VBAFMTS = ["xlsb", "xlsm", "xlam", "biff8", "xla"];

	RELS.DS = "http://schemas.openxmlformats.org/officeDocument/2006/relationships/dialogsheet";
	RELS.MS = "http://schemas.microsoft.com/office/2006/relationships/xlMacrosheet";

	/* macro and dialog sheet stubs */
	function parse_ds_bin() { return { '!type': 'dialog' }; }
	function parse_ds_xml() { return { '!type': 'dialog' }; }
	function parse_ms_bin() { return { '!type': 'macro' }; }
	function parse_ms_xml() { return { '!type': 'macro' }; }
	/* TODO: it will be useful to parse the function str */
	var rc_to_a1 = (function () {
		var rcregex = /(^|[^A-Za-z_])R(\[?-?\d+\]|[1-9]\d*|)C(\[?-?\d+\]|[1-9]\d*|)(?![A-Za-z0-9_])/g;
		var rcbase = ({ r: 0, c: 0 });
		function rcfunc($$, $1, $2, $3) {
			var cRel = false, rRel = false;

			if ($2.length == 0) rRel = true;
			else if ($2.charAt(0) == "[") { rRel = true; $2 = $2.slice(1, -1); }

			if ($3.length == 0) cRel = true;
			else if ($3.charAt(0) == "[") { cRel = true; $3 = $3.slice(1, -1); }

			var R = $2.length > 0 ? parseInt($2, 10) | 0 : 0, C = $3.length > 0 ? parseInt($3, 10) | 0 : 0;

			if (cRel) C += rcbase.c; else --C;
			if (rRel) R += rcbase.r; else --R;
			return $1 + (cRel ? "" : "$") + encode_col(C) + (rRel ? "" : "$") + encode_row(R);
		}
		return function rc_to_a1(fstr, base) {
			rcbase = base;
			return fstr.replace(rcregex, rcfunc);
		};
	})();

	var crefregex = /(^|[^._A-Z0-9])([$]?)([A-Z]{1,2}|[A-W][A-Z]{2}|X[A-E][A-Z]|XF[A-D])([$]?)([1-9]\d{0,5}|10[0-3]\d{4}|104[0-7]\d{3}|1048[0-4]\d{2}|10485[0-6]\d|104857[0-6])(?![_.\(A-Za-z0-9])/g;
	var a1_to_rc = (function () {
		return function a1_to_rc(fstr, base) {
			return fstr.replace(crefregex, function ($0, $1, $2, $3, $4, $5) {
				var c = decode_col($3) - ($2 ? 0 : base.c);
				var r = decode_row($5) - ($4 ? 0 : base.r);
				var R = (r == 0 ? "" : !$4 ? "[" + r + "]" : (r + 1));
				var C = (c == 0 ? "" : !$2 ? "[" + c + "]" : (c + 1));
				return $1 + "R" + R + "C" + C;
			});
		};
	})();

	/* no defined name can collide with a valid cell address A1:XFD1048576 ... except LOG10! */
	function shift_formula_str(f, delta) {
		return f.replace(crefregex, function ($0, $1, $2, $3, $4, $5) {
			return $1 + ($2 == "$" ? $2 + $3 : encode_col(decode_col($3) + delta.c)) + ($4 == "$" ? $4 + $5 : encode_row(decode_row($5) + delta.r));
		});
	}

	function shift_formula_xlsx(f, range, cell) {
		var r = decode_range(range), s = r.s, c = decode_cell(cell);
		var delta = { r: c.r - s.r, c: c.c - s.c };
		return shift_formula_str(f, delta);
	}

	/* TODO: parse formula */
	function fuzzyfmla(f) {
		if (f.length == 1) return false;
		return true;
	}

	function _xlfn(f) {
		return f.replace(/_xlfn\./g, "");
	}
	function parseread1(blob) { blob.l += 1; return; }

	/* [MS-XLS] 2.5.51 */
	function parse_ColRelU(blob, length) {
		var c = blob.read_shift(length == 1 ? 1 : 2);
		return [c & 0x3FFF, (c >> 14) & 1, (c >> 15) & 1];
	}

	/* [MS-XLS] 2.5.198.105 ; [MS-XLSB] 2.5.97.89 */
	function parse_RgceArea(blob, length, opts) {
		var w = 2;
		if (opts) {
			if (opts.biff >= 2 && opts.biff <= 5) return parse_RgceArea_BIFF2(blob, length, opts);
			else if (opts.biff == 12) w = 4;
		}
		var r = blob.read_shift(w), R = blob.read_shift(w);
		var c = parse_ColRelU(blob, 2);
		var C = parse_ColRelU(blob, 2);
		return { s: { r: r, c: c[0], cRel: c[1], rRel: c[2] }, e: { r: R, c: C[0], cRel: C[1], rRel: C[2] } };
	}
	/* BIFF 2-5 encodes flags in the row field */
	function parse_RgceArea_BIFF2(blob) {
		var r = parse_ColRelU(blob, 2), R = parse_ColRelU(blob, 2);
		var c = blob.read_shift(1);
		var C = blob.read_shift(1);
		return { s: { r: r[0], c: c, cRel: r[1], rRel: r[2] }, e: { r: R[0], c: C, cRel: R[1], rRel: R[2] } };
	}

	/* [MS-XLS] 2.5.198.105 ; [MS-XLSB] 2.5.97.90 */
	function parse_RgceAreaRel(blob, length, opts) {
		if (opts.biff < 8) return parse_RgceArea_BIFF2(blob, length, opts);
		var r = blob.read_shift(opts.biff == 12 ? 4 : 2), R = blob.read_shift(opts.biff == 12 ? 4 : 2);
		var c = parse_ColRelU(blob, 2);
		var C = parse_ColRelU(blob, 2);
		return { s: { r: r, c: c[0], cRel: c[1], rRel: c[2] }, e: { r: R, c: C[0], cRel: C[1], rRel: C[2] } };
	}

	/* [MS-XLS] 2.5.198.109 ; [MS-XLSB] 2.5.97.91 */
	function parse_RgceLoc(blob, length, opts) {
		if (opts && opts.biff >= 2 && opts.biff <= 5) return parse_RgceLoc_BIFF2(blob, length, opts);
		var r = blob.read_shift(opts && opts.biff == 12 ? 4 : 2);
		var c = parse_ColRelU(blob, 2);
		return { r: r, c: c[0], cRel: c[1], rRel: c[2] };
	}
	function parse_RgceLoc_BIFF2(blob) {
		var r = parse_ColRelU(blob, 2);
		var c = blob.read_shift(1);
		return { r: r[0], c: c, cRel: r[1], rRel: r[2] };
	}

	/* [MS-XLS] 2.5.198.107, 2.5.47 */
	function parse_RgceElfLoc(blob) {
		var r = blob.read_shift(2);
		var c = blob.read_shift(2);
		return { r: r, c: c & 0xFF, fQuoted: !!(c & 0x4000), cRel: c >> 15, rRel: c >> 15 };
	}

	/* [MS-XLS] 2.5.198.111 ; [MS-XLSB] 2.5.97.92 TODO */
	function parse_RgceLocRel(blob, length, opts) {
		var biff = opts && opts.biff ? opts.biff : 8;
		if (biff >= 2 && biff <= 5) return parse_RgceLocRel_BIFF2(blob, length, opts);
		var r = blob.read_shift(biff >= 12 ? 4 : 2);
		var cl = blob.read_shift(2);
		var cRel = (cl & 0x4000) >> 14, rRel = (cl & 0x8000) >> 15;
		cl &= 0x3FFF;
		if (rRel == 1) while (r > 0x7FFFF) r -= 0x100000;
		if (cRel == 1) while (cl > 0x1FFF) cl = cl - 0x4000;
		return { r: r, c: cl, cRel: cRel, rRel: rRel };
	}
	function parse_RgceLocRel_BIFF2(blob) {
		var rl = blob.read_shift(2);
		var c = blob.read_shift(1);
		var rRel = (rl & 0x8000) >> 15, cRel = (rl & 0x4000) >> 14;
		rl &= 0x3FFF;
		if (rRel == 1 && rl >= 0x2000) rl = rl - 0x4000;
		if (cRel == 1 && c >= 0x80) c = c - 0x100;
		return { r: rl, c: c, cRel: cRel, rRel: rRel };
	}

	/* [MS-XLS] 2.5.198.27 ; [MS-XLSB] 2.5.97.18 */
	function parse_PtgArea(blob, length, opts) {
		var type = (blob[blob.l++] & 0x60) >> 5;
		var area = parse_RgceArea(blob, opts.biff >= 2 && opts.biff <= 5 ? 6 : 8, opts);
		return [type, area];
	}

	/* [MS-XLS] 2.5.198.28 ; [MS-XLSB] 2.5.97.19 */
	function parse_PtgArea3d(blob, length, opts) {
		var type = (blob[blob.l++] & 0x60) >> 5;
		var ixti = blob.read_shift(2, 'i');
		var w = 8;
		if (opts) switch (opts.biff) {
			case 5: blob.l += 12; w = 6; break;
			case 12: w = 12; break;
		}
		var area = parse_RgceArea(blob, w, opts);
		return [type, ixti, area];
	}

	/* [MS-XLS] 2.5.198.29 ; [MS-XLSB] 2.5.97.20 */
	function parse_PtgAreaErr(blob, length, opts) {
		var type = (blob[blob.l++] & 0x60) >> 5;
		blob.l += opts && (opts.biff > 8) ? 12 : (opts.biff < 8 ? 6 : 8);
		return [type];
	}
	/* [MS-XLS] 2.5.198.30 ; [MS-XLSB] 2.5.97.21 */
	function parse_PtgAreaErr3d(blob, length, opts) {
		var type = (blob[blob.l++] & 0x60) >> 5;
		var ixti = blob.read_shift(2);
		var w = 8;
		if (opts) switch (opts.biff) {
			case 5: blob.l += 12; w = 6; break;
			case 12: w = 12; break;
		}
		blob.l += w;
		return [type, ixti];
	}

	/* [MS-XLS] 2.5.198.31 ; [MS-XLSB] 2.5.97.22 */
	function parse_PtgAreaN(blob, length, opts) {
		var type = (blob[blob.l++] & 0x60) >> 5;
		var area = parse_RgceAreaRel(blob, length - 1, opts);
		return [type, area];
	}

	/* [MS-XLS] 2.5.198.32 ; [MS-XLSB] 2.5.97.23 */
	function parse_PtgArray(blob, length, opts) {
		var type = (blob[blob.l++] & 0x60) >> 5;
		blob.l += opts.biff == 2 ? 6 : opts.biff == 12 ? 14 : 7;
		return [type];
	}

	/* [MS-XLS] 2.5.198.33 ; [MS-XLSB] 2.5.97.24 */
	function parse_PtgAttrBaxcel(blob) {
		var bitSemi = blob[blob.l + 1] & 0x01; /* 1 = volatile */
		var bitBaxcel = 1;
		blob.l += 4;
		return [bitSemi, bitBaxcel];
	}

	/* [MS-XLS] 2.5.198.34 ; [MS-XLSB] 2.5.97.25 */
	function parse_PtgAttrChoose(blob, length, opts) {
		blob.l += 2;
		var offset = blob.read_shift(opts && opts.biff == 2 ? 1 : 2);
		var o = [];
		/* offset is 1 less than the number of elements */
		for (var i = 0; i <= offset; ++i) o.push(blob.read_shift(opts && opts.biff == 2 ? 1 : 2));
		return o;
	}

	/* [MS-XLS] 2.5.198.35 ; [MS-XLSB] 2.5.97.26 */
	function parse_PtgAttrGoto(blob, length, opts) {
		var bitGoto = (blob[blob.l + 1] & 0xFF) ? 1 : 0;
		blob.l += 2;
		return [bitGoto, blob.read_shift(opts && opts.biff == 2 ? 1 : 2)];
	}

	/* [MS-XLS] 2.5.198.36 ; [MS-XLSB] 2.5.97.27 */
	function parse_PtgAttrIf(blob, length, opts) {
		var bitIf = (blob[blob.l + 1] & 0xFF) ? 1 : 0;
		blob.l += 2;
		return [bitIf, blob.read_shift(opts && opts.biff == 2 ? 1 : 2)];
	}

	/* [MS-XLSB] 2.5.97.28 */
	function parse_PtgAttrIfError(blob) {
		var bitIf = (blob[blob.l + 1] & 0xFF) ? 1 : 0;
		blob.l += 2;
		return [bitIf, blob.read_shift(2)];
	}

	/* [MS-XLS] 2.5.198.37 ; [MS-XLSB] 2.5.97.29 */
	function parse_PtgAttrSemi(blob, length, opts) {
		var bitSemi = (blob[blob.l + 1] & 0xFF) ? 1 : 0;
		blob.l += opts && opts.biff == 2 ? 3 : 4;
		return [bitSemi];
	}

	/* [MS-XLS] 2.5.198.40 ; [MS-XLSB] 2.5.97.32 */
	function parse_PtgAttrSpaceType(blob) {
		var type = blob.read_shift(1), cch = blob.read_shift(1);
		return [type, cch];
	}

	/* [MS-XLS] 2.5.198.38 ; [MS-XLSB] 2.5.97.30 */
	function parse_PtgAttrSpace(blob) {
		blob.read_shift(2);
		return parse_PtgAttrSpaceType(blob, 2);
	}

	/* [MS-XLS] 2.5.198.39 ; [MS-XLSB] 2.5.97.31 */
	function parse_PtgAttrSpaceSemi(blob) {
		blob.read_shift(2);
		return parse_PtgAttrSpaceType(blob, 2);
	}

	/* [MS-XLS] 2.5.198.84 ; [MS-XLSB] 2.5.97.68 TODO */
	function parse_PtgRef(blob, length, opts) {
		//var ptg = blob[blob.l] & 0x1F;
		var type = (blob[blob.l] & 0x60) >> 5;
		blob.l += 1;
		var loc = parse_RgceLoc(blob, 0, opts);
		return [type, loc];
	}

	/* [MS-XLS] 2.5.198.88 ; [MS-XLSB] 2.5.97.72 TODO */
	function parse_PtgRefN(blob, length, opts) {
		var type = (blob[blob.l] & 0x60) >> 5;
		blob.l += 1;
		var loc = parse_RgceLocRel(blob, 0, opts);
		return [type, loc];
	}

	/* [MS-XLS] 2.5.198.85 ; [MS-XLSB] 2.5.97.69 TODO */
	function parse_PtgRef3d(blob, length, opts) {
		var type = (blob[blob.l] & 0x60) >> 5;
		blob.l += 1;
		var ixti = blob.read_shift(2); // XtiIndex
		if (opts && opts.biff == 5) blob.l += 12;
		var loc = parse_RgceLoc(blob, 0, opts); // TODO: or RgceLocRel
		return [type, ixti, loc];
	}


	/* [MS-XLS] 2.5.198.62 ; [MS-XLSB] 2.5.97.45 TODO */
	function parse_PtgFunc(blob, length, opts) {
		//var ptg = blob[blob.l] & 0x1F;
		var type = (blob[blob.l] & 0x60) >> 5;
		blob.l += 1;
		var iftab = blob.read_shift(opts && opts.biff <= 3 ? 1 : 2);
		return [FtabArgc[iftab], Ftab[iftab], type];
	}
	/* [MS-XLS] 2.5.198.63 ; [MS-XLSB] 2.5.97.46 TODO */
	function parse_PtgFuncVar(blob, length, opts) {
		var type = blob[blob.l++];
		var cparams = blob.read_shift(1), tab = opts && opts.biff <= 3 ? [(type == 0x58 ? -1 : 0), blob.read_shift(1)] : parsetab(blob);
		return [cparams, (tab[0] === 0 ? Ftab : Cetab)[tab[1]]];
	}

	function parsetab(blob) {
		return [blob[blob.l + 1] >> 7, blob.read_shift(2) & 0x7FFF];
	}

	/* [MS-XLS] 2.5.198.41 ; [MS-XLSB] 2.5.97.33 */
	function parse_PtgAttrSum(blob, length, opts) {
		blob.l += opts && opts.biff == 2 ? 3 : 4; return;
	}

	/* [MS-XLS] 2.5.198.58 ; [MS-XLSB] 2.5.97.40 */
	function parse_PtgExp(blob, length, opts) {
		blob.l++;
		if (opts && opts.biff == 12) return [blob.read_shift(4, 'i'), 0];
		var row = blob.read_shift(2);
		var col = blob.read_shift(opts && opts.biff == 2 ? 1 : 2);
		return [row, col];
	}

	/* [MS-XLS] 2.5.198.57 ; [MS-XLSB] 2.5.97.39 */
	function parse_PtgErr(blob) { blob.l++; return BErr[blob.read_shift(1)]; }

	/* [MS-XLS] 2.5.198.66 ; [MS-XLSB] 2.5.97.49 */
	function parse_PtgInt(blob) { blob.l++; return blob.read_shift(2); }

	/* [MS-XLS] 2.5.198.42 ; [MS-XLSB] 2.5.97.34 */
	function parse_PtgBool(blob) { blob.l++; return blob.read_shift(1) !== 0; }

	/* [MS-XLS] 2.5.198.79 ; [MS-XLSB] 2.5.97.63 */
	function parse_PtgNum(blob) { blob.l++; return parse_Xnum(blob, 8); }

	/* [MS-XLS] 2.5.198.89 ; [MS-XLSB] 2.5.97.74 */
	function parse_PtgStr(blob, length, opts) { blob.l++; return parse_ShortXLUnicodeString(blob, length - 1, opts); }

	/* [MS-XLS] 2.5.192.112 + 2.5.192.11{3,4,5,6,7} */
	/* [MS-XLSB] 2.5.97.93 + 2.5.97.9{4,5,6,7} */
	function parse_SerAr(blob, biff) {
		var val = [blob.read_shift(1)];
		if (biff == 12) switch (val[0]) {
			case 0x02: val[0] = 0x04; break; /* SerBool */
			case 0x04: val[0] = 0x10; break; /* SerErr */
			case 0x00: val[0] = 0x01; break; /* SerNum */
			case 0x01: val[0] = 0x02; break; /* SerStr */
		}
		switch (val[0]) {
			case 0x04: /* SerBool -- boolean */
				val[1] = parsebool(blob, 1) ? 'TRUE' : 'FALSE';
				if (biff != 12) blob.l += 7; break;
			case 0x25: /* appears to be an alias */
			case 0x10: /* SerErr -- error */
				val[1] = BErr[blob[blob.l]];
				blob.l += ((biff == 12) ? 4 : 8); break;
			case 0x00: /* SerNil -- honestly, I'm not sure how to reproduce this */
				blob.l += 8; break;
			case 0x01: /* SerNum -- Xnum */
				val[1] = parse_Xnum(blob, 8); break;
			case 0x02: /* SerStr -- XLUnicodeString (<256 chars) */
				val[1] = parse_XLUnicodeString2(blob, 0, { biff: biff > 0 && biff < 8 ? 2 : biff }); break;
			default: throw new Error("Bad SerAr: " + val[0]); /* Unreachable */
		}
		return val;
	}

	/* [MS-XLS] 2.5.198.61 ; [MS-XLSB] 2.5.97.44 */
	function parse_PtgExtraMem(blob, cce, opts) {
		var count = blob.read_shift((opts.biff == 12) ? 4 : 2);
		var out = [];
		for (var i = 0; i != count; ++i) out.push(((opts.biff == 12) ? parse_UncheckedRfX : parse_Ref8U)(blob, 8));
		return out;
	}

	/* [MS-XLS] 2.5.198.59 ; [MS-XLSB] 2.5.97.41 */
	function parse_PtgExtraArray(blob, length, opts) {
		var rows = 0, cols = 0;
		if (opts.biff == 12) {
			rows = blob.read_shift(4); // DRw
			cols = blob.read_shift(4); // DCol
		} else {
			cols = 1 + blob.read_shift(1); //DColByteU
			rows = 1 + blob.read_shift(2); //DRw
		}
		if (opts.biff >= 2 && opts.biff < 8) { --rows; if (--cols == 0) cols = 0x100; }
		// $FlowIgnore
		for (var i = 0, o = []; i != rows && (o[i] = []); ++i)
			for (var j = 0; j != cols; ++j) o[i][j] = parse_SerAr(blob, opts.biff);
		return o;
	}

	/* [MS-XLS] 2.5.198.76 ; [MS-XLSB] 2.5.97.60 */
	function parse_PtgName(blob, length, opts) {
		var type = (blob.read_shift(1) >>> 5) & 0x03;
		var w = (!opts || (opts.biff >= 8)) ? 4 : 2;
		var nameindex = blob.read_shift(w);
		switch (opts.biff) {
			case 2: blob.l += 5; break;
			case 3: case 4: blob.l += 8; break;
			case 5: blob.l += 12; break;
		}
		return [type, 0, nameindex];
	}

	/* [MS-XLS] 2.5.198.77 ; [MS-XLSB] 2.5.97.61 */
	function parse_PtgNameX(blob, length, opts) {
		if (opts.biff == 5) return parse_PtgNameX_BIFF5(blob, length, opts);
		var type = (blob.read_shift(1) >>> 5) & 0x03;
		var ixti = blob.read_shift(2); // XtiIndex
		var nameindex = blob.read_shift(4);
		return [type, ixti, nameindex];
	}
	function parse_PtgNameX_BIFF5(blob) {
		var type = (blob.read_shift(1) >>> 5) & 0x03;
		var ixti = blob.read_shift(2, 'i'); // XtiIndex
		blob.l += 8;
		var nameindex = blob.read_shift(2);
		blob.l += 12;
		return [type, ixti, nameindex];
	}

	/* [MS-XLS] 2.5.198.70 ; [MS-XLSB] 2.5.97.54 */
	function parse_PtgMemArea(blob, length, opts) {
		var type = (blob.read_shift(1) >>> 5) & 0x03;
		blob.l += (opts && opts.biff == 2 ? 3 : 4);
		var cce = blob.read_shift(opts && opts.biff == 2 ? 1 : 2);
		return [type, cce];
	}

	/* [MS-XLS] 2.5.198.72 ; [MS-XLSB] 2.5.97.56 */
	function parse_PtgMemFunc(blob, length, opts) {
		var type = (blob.read_shift(1) >>> 5) & 0x03;
		var cce = blob.read_shift(opts && opts.biff == 2 ? 1 : 2);
		return [type, cce];
	}


	/* [MS-XLS] 2.5.198.86 ; [MS-XLSB] 2.5.97.69 */
	function parse_PtgRefErr(blob, length, opts) {
		var type = (blob.read_shift(1) >>> 5) & 0x03;
		blob.l += 4;
		if (opts.biff < 8) blob.l--;
		if (opts.biff == 12) blob.l += 2;
		return [type];
	}

	/* [MS-XLS] 2.5.198.87 ; [MS-XLSB] 2.5.97.71 */
	function parse_PtgRefErr3d(blob, length, opts) {
		var type = (blob[blob.l++] & 0x60) >> 5;
		var ixti = blob.read_shift(2);
		var w = 4;
		if (opts) switch (opts.biff) {
			case 5: w = 15; break;
			case 12: w = 6; break;
		}
		blob.l += w;
		return [type, ixti];
	}

	/* [MS-XLS] 2.5.198.71 ; [MS-XLSB] 2.5.97.55 */
	var parse_PtgMemErr = parsenoop;
	/* [MS-XLS] 2.5.198.73  ; [MS-XLSB] 2.5.97.57 */
	var parse_PtgMemNoMem = parsenoop;
	/* [MS-XLS] 2.5.198.92 */
	var parse_PtgTbl = parsenoop;

	function parse_PtgElfLoc(blob, length, opts) {
		blob.l += 2;
		return [parse_RgceElfLoc(blob, 4, opts)];
	}
	function parse_PtgElfNoop(blob) {
		blob.l += 6;
		return [];
	}
	/* [MS-XLS] 2.5.198.46 */
	var parse_PtgElfCol = parse_PtgElfLoc;
	/* [MS-XLS] 2.5.198.47 */
	var parse_PtgElfColS = parse_PtgElfNoop;
	/* [MS-XLS] 2.5.198.48 */
	var parse_PtgElfColSV = parse_PtgElfNoop;
	/* [MS-XLS] 2.5.198.49 */
	var parse_PtgElfColV = parse_PtgElfLoc;
	/* [MS-XLS] 2.5.198.50 */
	function parse_PtgElfLel(blob) {
		blob.l += 2;
		return [parseuint16(blob), blob.read_shift(2) & 0x01];
	}
	/* [MS-XLS] 2.5.198.51 */
	var parse_PtgElfRadical = parse_PtgElfLoc;
	/* [MS-XLS] 2.5.198.52 */
	var parse_PtgElfRadicalLel = parse_PtgElfLel;
	/* [MS-XLS] 2.5.198.53 */
	var parse_PtgElfRadicalS = parse_PtgElfNoop;
	/* [MS-XLS] 2.5.198.54 */
	var parse_PtgElfRw = parse_PtgElfLoc;
	/* [MS-XLS] 2.5.198.55 */
	var parse_PtgElfRwV = parse_PtgElfLoc;

	/* [MS-XLSB] 2.5.97.52 TODO */
	var PtgListRT = [
		"Data",
		"All",
		"Headers",
		"??",
		"?Data2",
		"??",
		"?DataHeaders",
		"??",
		"Totals",
		"??",
		"??",
		"??",
		"?DataTotals",
		"??",
		"??",
		"??",
		"?Current"
	];
	function parse_PtgList(blob) {
		blob.l += 2;
		var ixti = blob.read_shift(2);
		var flags = blob.read_shift(2);
		var idx = blob.read_shift(4);
		var c = blob.read_shift(2);
		var C = blob.read_shift(2);
		var rt = PtgListRT[(flags >> 2) & 0x1F];
		return { ixti: ixti, coltype: (flags & 0x3), rt: rt, idx: idx, c: c, C: C };
	}
	/* [MS-XLS] 2.5.198.91 ; [MS-XLSB] 2.5.97.76 */
	function parse_PtgSxName(blob) {
		blob.l += 2;
		return [blob.read_shift(4)];
	}

	/* [XLS] old spec */
	function parse_PtgSheet(blob, length, opts) {
		blob.l += 5;
		blob.l += 2;
		blob.l += (opts.biff == 2 ? 1 : 4);
		return ["PTGSHEET"];
	}
	function parse_PtgEndSheet(blob, length, opts) {
		blob.l += (opts.biff == 2 ? 4 : 5);
		return ["PTGENDSHEET"];
	}
	function parse_PtgMemAreaN(blob) {
		var type = (blob.read_shift(1) >>> 5) & 0x03;
		var cce = blob.read_shift(2);
		return [type, cce];
	}
	function parse_PtgMemNoMemN(blob) {
		var type = (blob.read_shift(1) >>> 5) & 0x03;
		var cce = blob.read_shift(2);
		return [type, cce];
	}
	function parse_PtgAttrNoop(blob) {
		blob.l += 4;
		return [0, 0];
	}

	/* [MS-XLS] 2.5.198.25 ; [MS-XLSB] 2.5.97.16 */
	var PtgTypes = {
		0x01: { n: 'PtgExp', f: parse_PtgExp },
		0x02: { n: 'PtgTbl', f: parse_PtgTbl },
		0x03: { n: 'PtgAdd', f: parseread1 },
		0x04: { n: 'PtgSub', f: parseread1 },
		0x05: { n: 'PtgMul', f: parseread1 },
		0x06: { n: 'PtgDiv', f: parseread1 },
		0x07: { n: 'PtgPower', f: parseread1 },
		0x08: { n: 'PtgConcat', f: parseread1 },
		0x09: { n: 'PtgLt', f: parseread1 },
		0x0A: { n: 'PtgLe', f: parseread1 },
		0x0B: { n: 'PtgEq', f: parseread1 },
		0x0C: { n: 'PtgGe', f: parseread1 },
		0x0D: { n: 'PtgGt', f: parseread1 },
		0x0E: { n: 'PtgNe', f: parseread1 },
		0x0F: { n: 'PtgIsect', f: parseread1 },
		0x10: { n: 'PtgUnion', f: parseread1 },
		0x11: { n: 'PtgRange', f: parseread1 },
		0x12: { n: 'PtgUplus', f: parseread1 },
		0x13: { n: 'PtgUminus', f: parseread1 },
		0x14: { n: 'PtgPercent', f: parseread1 },
		0x15: { n: 'PtgParen', f: parseread1 },
		0x16: { n: 'PtgMissArg', f: parseread1 },
		0x17: { n: 'PtgStr', f: parse_PtgStr },
		0x1A: { n: 'PtgSheet', f: parse_PtgSheet },
		0x1B: { n: 'PtgEndSheet', f: parse_PtgEndSheet },
		0x1C: { n: 'PtgErr', f: parse_PtgErr },
		0x1D: { n: 'PtgBool', f: parse_PtgBool },
		0x1E: { n: 'PtgInt', f: parse_PtgInt },
		0x1F: { n: 'PtgNum', f: parse_PtgNum },
		0x20: { n: 'PtgArray', f: parse_PtgArray },
		0x21: { n: 'PtgFunc', f: parse_PtgFunc },
		0x22: { n: 'PtgFuncVar', f: parse_PtgFuncVar },
		0x23: { n: 'PtgName', f: parse_PtgName },
		0x24: { n: 'PtgRef', f: parse_PtgRef },
		0x25: { n: 'PtgArea', f: parse_PtgArea },
		0x26: { n: 'PtgMemArea', f: parse_PtgMemArea },
		0x27: { n: 'PtgMemErr', f: parse_PtgMemErr },
		0x28: { n: 'PtgMemNoMem', f: parse_PtgMemNoMem },
		0x29: { n: 'PtgMemFunc', f: parse_PtgMemFunc },
		0x2A: { n: 'PtgRefErr', f: parse_PtgRefErr },
		0x2B: { n: 'PtgAreaErr', f: parse_PtgAreaErr },
		0x2C: { n: 'PtgRefN', f: parse_PtgRefN },
		0x2D: { n: 'PtgAreaN', f: parse_PtgAreaN },
		0x2E: { n: 'PtgMemAreaN', f: parse_PtgMemAreaN },
		0x2F: { n: 'PtgMemNoMemN', f: parse_PtgMemNoMemN },
		0x39: { n: 'PtgNameX', f: parse_PtgNameX },
		0x3A: { n: 'PtgRef3d', f: parse_PtgRef3d },
		0x3B: { n: 'PtgArea3d', f: parse_PtgArea3d },
		0x3C: { n: 'PtgRefErr3d', f: parse_PtgRefErr3d },
		0x3D: { n: 'PtgAreaErr3d', f: parse_PtgAreaErr3d },
		0xFF: {}
	};
	/* These are duplicated in the PtgTypes table */
	var PtgDupes = {
		0x40: 0x20, 0x60: 0x20,
		0x41: 0x21, 0x61: 0x21,
		0x42: 0x22, 0x62: 0x22,
		0x43: 0x23, 0x63: 0x23,
		0x44: 0x24, 0x64: 0x24,
		0x45: 0x25, 0x65: 0x25,
		0x46: 0x26, 0x66: 0x26,
		0x47: 0x27, 0x67: 0x27,
		0x48: 0x28, 0x68: 0x28,
		0x49: 0x29, 0x69: 0x29,
		0x4A: 0x2A, 0x6A: 0x2A,
		0x4B: 0x2B, 0x6B: 0x2B,
		0x4C: 0x2C, 0x6C: 0x2C,
		0x4D: 0x2D, 0x6D: 0x2D,
		0x4E: 0x2E, 0x6E: 0x2E,
		0x4F: 0x2F, 0x6F: 0x2F,
		0x58: 0x22, 0x78: 0x22,
		0x59: 0x39, 0x79: 0x39,
		0x5A: 0x3A, 0x7A: 0x3A,
		0x5B: 0x3B, 0x7B: 0x3B,
		0x5C: 0x3C, 0x7C: 0x3C,
		0x5D: 0x3D, 0x7D: 0x3D
	};
	(function () { for (var y in PtgDupes) PtgTypes[y] = PtgTypes[PtgDupes[y]]; })();

	var Ptg18 = {
		0x01: { n: 'PtgElfLel', f: parse_PtgElfLel },
		0x02: { n: 'PtgElfRw', f: parse_PtgElfRw },
		0x03: { n: 'PtgElfCol', f: parse_PtgElfCol },
		0x06: { n: 'PtgElfRwV', f: parse_PtgElfRwV },
		0x07: { n: 'PtgElfColV', f: parse_PtgElfColV },
		0x0A: { n: 'PtgElfRadical', f: parse_PtgElfRadical },
		0x0B: { n: 'PtgElfRadicalS', f: parse_PtgElfRadicalS },
		0x0D: { n: 'PtgElfColS', f: parse_PtgElfColS },
		0x0F: { n: 'PtgElfColSV', f: parse_PtgElfColSV },
		0x10: { n: 'PtgElfRadicalLel', f: parse_PtgElfRadicalLel },
		0x19: { n: 'PtgList', f: parse_PtgList },
		0x1D: { n: 'PtgSxName', f: parse_PtgSxName },
		0xFF: {}
	};
	var Ptg19 = {
		0x00: { n: 'PtgAttrNoop', f: parse_PtgAttrNoop },
		0x01: { n: 'PtgAttrSemi', f: parse_PtgAttrSemi },
		0x02: { n: 'PtgAttrIf', f: parse_PtgAttrIf },
		0x04: { n: 'PtgAttrChoose', f: parse_PtgAttrChoose },
		0x08: { n: 'PtgAttrGoto', f: parse_PtgAttrGoto },
		0x10: { n: 'PtgAttrSum', f: parse_PtgAttrSum },
		0x20: { n: 'PtgAttrBaxcel', f: parse_PtgAttrBaxcel },
		0x40: { n: 'PtgAttrSpace', f: parse_PtgAttrSpace },
		0x41: { n: 'PtgAttrSpaceSemi', f: parse_PtgAttrSpaceSemi },
		0x80: { n: 'PtgAttrIfError', f: parse_PtgAttrIfError },
		0xFF: {}
	};
	Ptg19[0x21] = Ptg19[0x20];

	/* [MS-XLS] 2.5.198.103 ; [MS-XLSB] 2.5.97.87 */
	function parse_RgbExtra(blob, length, rgce, opts) {
		if (opts.biff < 8) return parsenoop(blob, length);
		var target = blob.l + length;
		var o = [];
		for (var i = 0; i !== rgce.length; ++i) {
			switch (rgce[i][0]) {
				case 'PtgArray': /* PtgArray -> PtgExtraArray */
					rgce[i][1] = parse_PtgExtraArray(blob, 0, opts);
					o.push(rgce[i][1]);
					break;
				case 'PtgMemArea': /* PtgMemArea -> PtgExtraMem */
					rgce[i][2] = parse_PtgExtraMem(blob, rgce[i][1], opts);
					o.push(rgce[i][2]);
					break;
				case 'PtgExp': /* PtgExp -> PtgExtraCol */
					if (opts && opts.biff == 12) {
						rgce[i][1][1] = blob.read_shift(4);
						o.push(rgce[i][1]);
					} break;
				case 'PtgList': /* TODO: PtgList -> PtgExtraList */
				case 'PtgElfRadicalS': /* TODO: PtgElfRadicalS -> PtgExtraElf */
				case 'PtgElfColS': /* TODO: PtgElfColS -> PtgExtraElf */
				case 'PtgElfColSV': /* TODO: PtgElfColSV -> PtgExtraElf */
					throw "Unsupported " + rgce[i][0];
				default: break;
			}
		}
		length = target - blob.l;
		/* note: this is technically an error but Excel disregards */
		//if(target !== blob.l && blob.l !== target - length) throw new Error(target + " != " + blob.l);
		if (length !== 0) o.push(parsenoop(blob, length));
		return o;
	}

	/* [MS-XLS] 2.5.198.104 ; [MS-XLSB] 2.5.97.88 */
	function parse_Rgce(blob, length, opts) {
		var target = blob.l + length;
		var R, id, ptgs = [];
		while (target != blob.l) {
			length = target - blob.l;
			id = blob[blob.l];
			R = PtgTypes[id];
			if (id === 0x18 || id === 0x19) R = (id === 0x18 ? Ptg18 : Ptg19)[blob[blob.l + 1]];
			if (!R || !R.f) { /*ptgs.push*/(parsenoop(blob, length)); }
			else { ptgs.push([R.n, R.f(blob, length, opts)]); }
		}
		return ptgs;
	}

	function stringify_array(f) {
		var o = [];
		for (var i = 0; i < f.length; ++i) {
			var x = f[i], r = [];
			for (var j = 0; j < x.length; ++j) {
				var y = x[j];
				if (y) switch (y[0]) {
					// TODO: handle embedded quotes
					case 0x02:
						r.push('"' + y[1].replace(/"/g, '""') + '"'); break;
					default: r.push(y[1]);
				} else r.push("");
			}
			o.push(r.join(","));
		}
		return o.join(";");
	}

	/* [MS-XLS] 2.2.2 ; [MS-XLSB] 2.2.2 TODO */
	var PtgBinOp = {
		PtgAdd: "+",
		PtgConcat: "&",
		PtgDiv: "/",
		PtgEq: "=",
		PtgGe: ">=",
		PtgGt: ">",
		PtgLe: "<=",
		PtgLt: "<",
		PtgMul: "*",
		PtgNe: "<>",
		PtgPower: "^",
		PtgSub: "-"
	};
	function formula_quote_sheet_name(sname, opts) {
		if (!sname && !(opts && opts.biff <= 5 && opts.biff >= 2)) throw new Error("empty sheet name");
		if (sname.indexOf(" ") > -1) return "'" + sname + "'";
		return sname;
	}
	function get_ixti_raw(supbooks, ixti, opts) {
		if (!supbooks) return "SH33TJSERR0";
		if (opts.biff > 8 && (!supbooks.XTI || !supbooks.XTI[ixti])) return supbooks.SheetNames[ixti];
		if (!supbooks.XTI) return "SH33TJSERR6";
		var XTI = supbooks.XTI[ixti];
		if (opts.biff < 8) {
			if (ixti > 10000) ixti -= 65536;
			if (ixti < 0) ixti = -ixti;
			return ixti == 0 ? "" : supbooks.XTI[ixti - 1];
		}
		if (!XTI) return "SH33TJSERR1";
		var o = "";
		if (opts.biff > 8) switch (supbooks[XTI[0]][0]) {
			case 0x0165: /* 'BrtSupSelf' */
				o = XTI[1] == -1 ? "#REF" : supbooks.SheetNames[XTI[1]];
				return XTI[1] == XTI[2] ? o : o + ":" + supbooks.SheetNames[XTI[2]];
			case 0x0166: /* 'BrtSupSame' */
				if (opts.SID != null) return supbooks.SheetNames[opts.SID];
				return "SH33TJSSAME" + supbooks[XTI[0]][0];
			case 0x0163: /* 'BrtSupBookSrc' */
			/* falls through */
			default: return "SH33TJSSRC" + supbooks[XTI[0]][0];
		}
		switch (supbooks[XTI[0]][0][0]) {
			case 0x0401:
				o = XTI[1] == -1 ? "#REF" : (supbooks.SheetNames[XTI[1]] || "SH33TJSERR3");
				return XTI[1] == XTI[2] ? o : o + ":" + supbooks.SheetNames[XTI[2]];
			case 0x3A01: return supbooks[XTI[0]].slice(1).map(function (name) { return name.Name; }).join(";;"); //return "SH33TJSERR8";
			default:
				if (!supbooks[XTI[0]][0][3]) return "SH33TJSERR2";
				o = XTI[1] == -1 ? "#REF" : (supbooks[XTI[0]][0][3][XTI[1]] || "SH33TJSERR4");
				return XTI[1] == XTI[2] ? o : o + ":" + supbooks[XTI[0]][0][3][XTI[2]];
		}
	}
	function get_ixti(supbooks, ixti, opts) {
		return formula_quote_sheet_name(get_ixti_raw(supbooks, ixti, opts), opts);
	}
	function stringify_formula(formula/*Array<any>*/, range, cell, supbooks, opts) {
		var biff = (opts && opts.biff) || 8;
		var _range = /*range != null ? range :*/ { s: { c: 0, r: 0 }, e: { c: 0, r: 0 } };
		var stack = [], e1, e2, c, ixti = 0, nameidx = 0, r, sname = "";
		if (!formula[0] || !formula[0][0]) return "";
		var last_sp = -1, sp = "";
		for (var ff = 0, fflen = formula[0].length; ff < fflen; ++ff) {
			var f = formula[0][ff];
			switch (f[0]) {
				case 'PtgUminus': /* [MS-XLS] 2.5.198.93 */
					stack.push("-" + stack.pop()); break;
				case 'PtgUplus': /* [MS-XLS] 2.5.198.95 */
					stack.push("+" + stack.pop()); break;
				case 'PtgPercent': /* [MS-XLS] 2.5.198.81 */
					stack.push(stack.pop() + "%"); break;

				case 'PtgAdd':    /* [MS-XLS] 2.5.198.26 */
				case 'PtgConcat': /* [MS-XLS] 2.5.198.43 */
				case 'PtgDiv':    /* [MS-XLS] 2.5.198.45 */
				case 'PtgEq':     /* [MS-XLS] 2.5.198.56 */
				case 'PtgGe':     /* [MS-XLS] 2.5.198.64 */
				case 'PtgGt':     /* [MS-XLS] 2.5.198.65 */
				case 'PtgLe':     /* [MS-XLS] 2.5.198.68 */
				case 'PtgLt':     /* [MS-XLS] 2.5.198.69 */
				case 'PtgMul':    /* [MS-XLS] 2.5.198.75 */
				case 'PtgNe':     /* [MS-XLS] 2.5.198.78 */
				case 'PtgPower':  /* [MS-XLS] 2.5.198.82 */
				case 'PtgSub':    /* [MS-XLS] 2.5.198.90 */
					e1 = stack.pop(); e2 = stack.pop();
					if (last_sp >= 0) {
						switch (formula[0][last_sp][1][0]) {
							case 0:
								// $FlowIgnore
								sp = fill(" ", formula[0][last_sp][1][1]); break;
							case 1:
								// $FlowIgnore
								sp = fill("\r", formula[0][last_sp][1][1]); break;
							default:
								sp = "";
								// $FlowIgnore
								if (opts.WTF) throw new Error("Unexpected PtgAttrSpaceType " + formula[0][last_sp][1][0]);
						}
						e2 = e2 + sp;
						last_sp = -1;
					}
					stack.push(e2 + PtgBinOp[f[0]] + e1);
					break;

				case 'PtgIsect': /* [MS-XLS] 2.5.198.67 */
					e1 = stack.pop(); e2 = stack.pop();
					stack.push(e2 + " " + e1);
					break;
				case 'PtgUnion': /* [MS-XLS] 2.5.198.94 */
					e1 = stack.pop(); e2 = stack.pop();
					stack.push(e2 + "," + e1);
					break;
				case 'PtgRange': /* [MS-XLS] 2.5.198.83 */
					e1 = stack.pop(); e2 = stack.pop();
					stack.push(e2 + ":" + e1);
					break;

				case 'PtgAttrChoose': /* [MS-XLS] 2.5.198.34 */
					break;
				case 'PtgAttrGoto': /* [MS-XLS] 2.5.198.35 */
					break;
				case 'PtgAttrIf': /* [MS-XLS] 2.5.198.36 */
					break;
				case 'PtgAttrIfError': /* [MS-XLSB] 2.5.97.28 */
					break;


				case 'PtgRef': /* [MS-XLS] 2.5.198.84 */
					c = shift_cell_xls((f[1][1]), _range, opts);
					stack.push(encode_cell_xls(c, biff));
					break;
				case 'PtgRefN': /* [MS-XLS] 2.5.198.88 */
					c = cell ? shift_cell_xls((f[1][1]), cell, opts) : (f[1][1]);
					stack.push(encode_cell_xls(c, biff));
					break;
				case 'PtgRef3d': /* [MS-XLS] 2.5.198.85 */
					ixti = f[1][1]; c = shift_cell_xls((f[1][2]), _range, opts);
					sname = get_ixti(supbooks, ixti, opts);
					var w = sname; /* IE9 fails on defined names */ // eslint-disable-line no-unused-vars
					stack.push(sname + "!" + encode_cell_xls(c, biff));
					break;

				case 'PtgFunc': /* [MS-XLS] 2.5.198.62 */
				case 'PtgFuncVar': /* [MS-XLS] 2.5.198.63 */
					/* f[1] = [argc, func, type] */
					var argc = (f[1][0]), func = (f[1][1]);
					if (!argc) argc = 0;
					argc &= 0x7F;
					var args = argc == 0 ? [] : stack.slice(-argc);
					stack.length -= argc;
					if (func === 'User') func = args.shift();
					stack.push(func + "(" + args.join(",") + ")");
					break;

				case 'PtgBool': /* [MS-XLS] 2.5.198.42 */
					stack.push(f[1] ? "TRUE" : "FALSE"); break;
				case 'PtgInt': /* [MS-XLS] 2.5.198.66 */
					stack.push(f[1]); break;
				case 'PtgNum': /* [MS-XLS] 2.5.198.79 TODO: precision? */
					stack.push(String(f[1])); break;
				case 'PtgStr': /* [MS-XLS] 2.5.198.89 */
					// $FlowIgnore
					stack.push('"' + f[1].replace(/"/g, '""') + '"'); break;
				case 'PtgErr': /* [MS-XLS] 2.5.198.57 */
					stack.push(f[1]); break;
				case 'PtgAreaN': /* [MS-XLS] 2.5.198.31 TODO */
					r = shift_range_xls(f[1][1], cell ? { s: cell } : _range, opts);
					stack.push(encode_range_xls((r), opts));
					break;
				case 'PtgArea': /* [MS-XLS] 2.5.198.27 TODO: fixed points */
					r = shift_range_xls(f[1][1], _range, opts);
					stack.push(encode_range_xls((r), opts));
					break;
				case 'PtgArea3d': /* [MS-XLS] 2.5.198.28 TODO */
					ixti = f[1][1]; r = f[1][2];
					sname = get_ixti(supbooks, ixti, opts);
					stack.push(sname + "!" + encode_range_xls((r), opts));
					break;
				case 'PtgAttrSum': /* [MS-XLS] 2.5.198.41 */
					stack.push("SUM(" + stack.pop() + ")");
					break;

				case 'PtgAttrBaxcel': /* [MS-XLS] 2.5.198.33 */
				case 'PtgAttrSemi': /* [MS-XLS] 2.5.198.37 */
					break;

				case 'PtgName': /* [MS-XLS] 2.5.198.76 ; [MS-XLSB] 2.5.97.60 TODO: revisions */
					/* f[1] = type, 0, nameindex */
					nameidx = (f[1][2]);
					var lbl = (supbooks.names || [])[nameidx - 1] || (supbooks[0] || [])[nameidx];
					var name = lbl ? lbl.Name : "SH33TJSNAME" + String(nameidx);
					if (name in XLSXFutureFunctions) name = XLSXFutureFunctions[name];
					stack.push(name);
					break;

				case 'PtgNameX': /* [MS-XLS] 2.5.198.77 ; [MS-XLSB] 2.5.97.61 TODO: revisions */
					/* f[1] = type, ixti, nameindex */
					var bookidx = (f[1][1]); nameidx = (f[1][2]); var externbook;
					/* TODO: Properly handle missing values -- this should be using get_ixti_raw primarily */
					if (opts.biff <= 5) {
						if (bookidx < 0) bookidx = -bookidx;
						if (supbooks[bookidx]) externbook = supbooks[bookidx][nameidx];
					} else {
						var o = "";
						if (((supbooks[bookidx] || [])[0] || [])[0] == 0x3A01) {/* empty */ }
						else if (((supbooks[bookidx] || [])[0] || [])[0] == 0x0401) {
							if (supbooks[bookidx][nameidx] && supbooks[bookidx][nameidx].itab > 0) {
								o = supbooks.SheetNames[supbooks[bookidx][nameidx].itab - 1] + "!";
							}
						}
						else o = supbooks.SheetNames[nameidx - 1] + "!";
						if (supbooks[bookidx] && supbooks[bookidx][nameidx]) o += supbooks[bookidx][nameidx].Name;
						else if (supbooks[0] && supbooks[0][nameidx]) o += supbooks[0][nameidx].Name;
						else {
							var ixtidata = get_ixti_raw(supbooks, bookidx, opts).split(";;");
							if (ixtidata[nameidx - 1]) o = ixtidata[nameidx - 1]; // TODO: confirm this is correct
							else o += "SH33TJSERRX";
						}
						stack.push(o);
						break;
					}
					if (!externbook) externbook = { Name: "SH33TJSERRY" };
					stack.push(externbook.Name);
					break;

				case 'PtgParen': /* [MS-XLS] 2.5.198.80 */
					var lp = '(', rp = ')';
					if (last_sp >= 0) {
						sp = "";
						switch (formula[0][last_sp][1][0]) {
							// $FlowIgnore
							case 2: lp = fill(" ", formula[0][last_sp][1][1]) + lp; break;
							// $FlowIgnore
							case 3: lp = fill("\r", formula[0][last_sp][1][1]) + lp; break;
							// $FlowIgnore
							case 4: rp = fill(" ", formula[0][last_sp][1][1]) + rp; break;
							// $FlowIgnore
							case 5: rp = fill("\r", formula[0][last_sp][1][1]) + rp; break;
							default:
								// $FlowIgnore
								if (opts.WTF) throw new Error("Unexpected PtgAttrSpaceType " + formula[0][last_sp][1][0]);
						}
						last_sp = -1;
					}
					stack.push(lp + stack.pop() + rp); break;

				case 'PtgRefErr': /* [MS-XLS] 2.5.198.86 */
					stack.push('#REF!'); break;

				case 'PtgRefErr3d': /* [MS-XLS] 2.5.198.87 */
					stack.push('#REF!'); break;

				case 'PtgExp': /* [MS-XLS] 2.5.198.58 TODO */
					c = { c: (f[1][1]), r: (f[1][0]) };
					var q = ({ c: cell.c, r: cell.r });
					if (supbooks.sharedf[encode_cell(c)]) {
						var parsedf = (supbooks.sharedf[encode_cell(c)]);
						stack.push(stringify_formula(parsedf, _range, q, supbooks, opts));
					}
					else {
						var fnd = false;
						for (e1 = 0; e1 != supbooks.arrayf.length; ++e1) {
							/* TODO: should be something like range_has */
							e2 = supbooks.arrayf[e1];
							if (c.c < e2[0].s.c || c.c > e2[0].e.c) continue;
							if (c.r < e2[0].s.r || c.r > e2[0].e.r) continue;
							stack.push(stringify_formula(e2[1], _range, q, supbooks, opts));
							fnd = true;
							break;
						}
						if (!fnd) stack.push(f[1]);
					}
					break;

				case 'PtgArray': /* [MS-XLS] 2.5.198.32 TODO */
					stack.push("{" + stringify_array(f[1]) + "}");
					break;

				case 'PtgMemArea': /* [MS-XLS] 2.5.198.70 TODO: confirm this is a non-display */
					//stack.push("(" + f[2].map(encode_range).join(",") + ")");
					break;

				case 'PtgAttrSpace': /* [MS-XLS] 2.5.198.38 */
				case 'PtgAttrSpaceSemi': /* [MS-XLS] 2.5.198.39 */
					last_sp = ff;
					break;

				case 'PtgTbl': /* [MS-XLS] 2.5.198.92 TODO */
					break;

				case 'PtgMemErr': /* [MS-XLS] 2.5.198.71 */
					break;

				case 'PtgMissArg': /* [MS-XLS] 2.5.198.74 */
					stack.push("");
					break;

				case 'PtgAreaErr': /* [MS-XLS] 2.5.198.29 */
					stack.push("#REF!"); break;

				case 'PtgAreaErr3d': /* [MS-XLS] 2.5.198.30 */
					stack.push("#REF!"); break;

				case 'PtgList': /* [MS-XLSB] 2.5.97.52 */
					// $FlowIgnore
					stack.push("Table" + f[1].idx + "[#" + f[1].rt + "]");
					break;

				case 'PtgMemAreaN':
				case 'PtgMemNoMemN':
				case 'PtgAttrNoop':
				case 'PtgSheet':
				case 'PtgEndSheet':
					break;

				case 'PtgMemFunc': /* [MS-XLS] 2.5.198.72 TODO */
					break;
				case 'PtgMemNoMem': /* [MS-XLS] 2.5.198.73 TODO */
					break;

				case 'PtgElfCol': /* [MS-XLS] 2.5.198.46 */
				case 'PtgElfColS': /* [MS-XLS] 2.5.198.47 */
				case 'PtgElfColSV': /* [MS-XLS] 2.5.198.48 */
				case 'PtgElfColV': /* [MS-XLS] 2.5.198.49 */
				case 'PtgElfLel': /* [MS-XLS] 2.5.198.50 */
				case 'PtgElfRadical': /* [MS-XLS] 2.5.198.51 */
				case 'PtgElfRadicalLel': /* [MS-XLS] 2.5.198.52 */
				case 'PtgElfRadicalS': /* [MS-XLS] 2.5.198.53 */
				case 'PtgElfRw': /* [MS-XLS] 2.5.198.54 */
				case 'PtgElfRwV': /* [MS-XLS] 2.5.198.55 */
					throw new Error("Unsupported ELFs");

				case 'PtgSxName': /* [MS-XLS] 2.5.198.91 TODO -- find a test case */
					throw new Error('Unrecognized Formula Token: ' + String(f));
				default: throw new Error('Unrecognized Formula Token: ' + String(f));
			}
			var PtgNonDisp = ['PtgAttrSpace', 'PtgAttrSpaceSemi', 'PtgAttrGoto'];
			if (opts.biff != 3) if (last_sp >= 0 && PtgNonDisp.indexOf(formula[0][ff][0]) == -1) {
				f = formula[0][last_sp];
				var _left = true;
				switch (f[1][0]) {
					/* note: some bad XLSB files omit the PtgParen */
					case 4: _left = false;
					/* falls through */
					case 0:
						// $FlowIgnore
						sp = fill(" ", f[1][1]); break;
					case 5: _left = false;
					/* falls through */
					case 1:
						// $FlowIgnore
						sp = fill("\r", f[1][1]); break;
					default:
						sp = "";
						// $FlowIgnore
						if (opts.WTF) throw new Error("Unexpected PtgAttrSpaceType " + f[1][0]);
				}
				stack.push((_left ? sp : "") + stack.pop() + (_left ? "" : sp));
				last_sp = -1;
			}
		}
		if (stack.length > 1 && opts.WTF) throw new Error("bad formula stack");
		return stack[0];
	}

	/* [MS-XLS] 2.5.198.1 TODO */
	function parse_ArrayParsedFormula(blob, length, opts) {
		var target = blob.l + length, len = opts.biff == 2 ? 1 : 2;
		var rgcb, cce = blob.read_shift(len); // length of rgce
		if (cce == 0xFFFF) return [[], parsenoop(blob, length - 2)];
		var rgce = parse_Rgce(blob, cce, opts);
		if (length !== cce + len) rgcb = parse_RgbExtra(blob, length - cce - len, rgce, opts);
		blob.l = target;
		return [rgce, rgcb];
	}

	/* [MS-XLS] 2.5.198.3 TODO */
	function parse_XLSCellParsedFormula(blob, length, opts) {
		var target = blob.l + length, len = opts.biff == 2 ? 1 : 2;
		var rgcb, cce = blob.read_shift(len); // length of rgce
		if (cce == 0xFFFF) return [[], parsenoop(blob, length - 2)];
		var rgce = parse_Rgce(blob, cce, opts);
		if (length !== cce + len) rgcb = parse_RgbExtra(blob, length - cce - len, rgce, opts);
		blob.l = target;
		return [rgce, rgcb];
	}

	/* [MS-XLS] 2.5.198.21 */
	function parse_NameParsedFormula(blob, length, opts, cce) {
		var target = blob.l + length;
		var rgce = parse_Rgce(blob, cce, opts);
		var rgcb;
		if (target !== blob.l) rgcb = parse_RgbExtra(blob, target - blob.l, rgce, opts);
		return [rgce, rgcb];
	}

	/* [MS-XLS] 2.5.198.118 TODO */
	function parse_SharedParsedFormula(blob, length, opts) {
		var target = blob.l + length;
		var rgcb, cce = blob.read_shift(2); // length of rgce
		var rgce = parse_Rgce(blob, cce, opts);
		if (cce == 0xFFFF) return [[], parsenoop(blob, length - 2)];
		if (length !== cce + 2) rgcb = parse_RgbExtra(blob, target - cce - 2, rgce, opts);
		return [rgce, rgcb];
	}

	/* [MS-XLS] 2.5.133 TODO: how to emit empty strings? */
	function parse_FormulaValue(blob) {
		var b;
		if (__readUInt16LE(blob, blob.l + 6) !== 0xFFFF) return [parse_Xnum(blob), 'n'];
		switch (blob[blob.l]) {
			case 0x00: blob.l += 8; return ["String", 's'];
			case 0x01: b = blob[blob.l + 2] === 0x1; blob.l += 8; return [b, 'b'];
			case 0x02: b = blob[blob.l + 2]; blob.l += 8; return [b, 'e'];
			case 0x03: blob.l += 8; return ["", 's'];
		}
		return [];
	}
	function write_FormulaValue(value) {
		if (value == null) {
			// Blank String Value
			var o = new_buf(8);
			o.write_shift(1, 0x03);
			o.write_shift(1, 0);
			o.write_shift(2, 0);
			o.write_shift(2, 0);
			o.write_shift(2, 0xFFFF);
			return o;
		} else if (typeof value == "number") return write_Xnum(value);
		return write_Xnum(0);
	}

	/* [MS-XLS] 2.4.127 TODO */
	function parse_Formula(blob, length, opts) {
		var end = blob.l + length;
		var cell = parse_XLSCell(blob, 6);
		if (opts.biff == 2) ++blob.l;
		var val = parse_FormulaValue(blob, 8);
		var flags = blob.read_shift(1);
		if (opts.biff != 2) {
			blob.read_shift(1);
			if (opts.biff >= 5) {
			/*var chn = */blob.read_shift(4);
			}
		}
		var cbf = parse_XLSCellParsedFormula(blob, end - blob.l, opts);
		return { cell: cell, val: val[0], formula: cbf, shared: (flags >> 3) & 1, tt: val[1] };
	}
	function write_Formula(cell, R, C, opts, os) {
		// Cell
		var o1 = write_XLSCell(R, C, os);

		// FormulaValue
		var o2 = write_FormulaValue(cell.v);

		// flags + cache
		var o3 = new_buf(6);
		var flags = 0x01 | 0x20;
		o3.write_shift(2, flags);
		o3.write_shift(4, 0);

		// CellParsedFormula
		var bf = new_buf(cell.bf.length);
		for (var i = 0; i < cell.bf.length; ++i) bf[i] = cell.bf[i];

		var out = bconcat([o1, o2, o3, bf]);
		return out;
	}


	/* XLSB Parsed Formula records have the same shape */
	function parse_XLSBParsedFormula(data, length, opts) {
		var cce = data.read_shift(4);
		var rgce = parse_Rgce(data, cce, opts);
		var cb = data.read_shift(4);
		var rgcb = cb > 0 ? parse_RgbExtra(data, cb, rgce, opts) : null;
		return [rgce, rgcb];
	}

	/* [MS-XLSB] 2.5.97.1 ArrayParsedFormula */
	var parse_XLSBArrayParsedFormula = parse_XLSBParsedFormula;
	/* [MS-XLSB] 2.5.97.4 CellParsedFormula */
	var parse_XLSBCellParsedFormula = parse_XLSBParsedFormula;
	/* [MS-XLSB] 2.5.97.8 DVParsedFormula */
	//var parse_XLSBDVParsedFormula = parse_XLSBParsedFormula;
	/* [MS-XLSB] 2.5.97.9 FRTParsedFormula */
	//var parse_XLSBFRTParsedFormula = parse_XLSBParsedFormula2;
	/* [MS-XLSB] 2.5.97.12 NameParsedFormula */
	var parse_XLSBNameParsedFormula = parse_XLSBParsedFormula;
	/* [MS-XLSB] 2.5.97.98 SharedParsedFormula */
	var parse_XLSBSharedParsedFormula = parse_XLSBParsedFormula;
	/* [MS-XLS] 2.5.198.4 */
	var Cetab = {
		0x0000: 'BEEP',
		0x0001: 'OPEN',
		0x0002: 'OPEN.LINKS',
		0x0003: 'CLOSE.ALL',
		0x0004: 'SAVE',
		0x0005: 'SAVE.AS',
		0x0006: 'FILE.DELETE',
		0x0007: 'PAGE.SETUP',
		0x0008: 'PRINT',
		0x0009: 'PRINTER.SETUP',
		0x000A: 'QUIT',
		0x000B: 'NEW.WINDOW',
		0x000C: 'ARRANGE.ALL',
		0x000D: 'WINDOW.SIZE',
		0x000E: 'WINDOW.MOVE',
		0x000F: 'FULL',
		0x0010: 'CLOSE',
		0x0011: 'RUN',
		0x0016: 'SET.PRINT.AREA',
		0x0017: 'SET.PRINT.TITLES',
		0x0018: 'SET.PAGE.BREAK',
		0x0019: 'REMOVE.PAGE.BREAK',
		0x001A: 'FONT',
		0x001B: 'DISPLAY',
		0x001C: 'PROTECT.DOCUMENT',
		0x001D: 'PRECISION',
		0x001E: 'A1.R1C1',
		0x001F: 'CALCULATE.NOW',
		0x0020: 'CALCULATION',
		0x0022: 'DATA.FIND',
		0x0023: 'EXTRACT',
		0x0024: 'DATA.DELETE',
		0x0025: 'SET.DATABASE',
		0x0026: 'SET.CRITERIA',
		0x0027: 'SORT',
		0x0028: 'DATA.SERIES',
		0x0029: 'TABLE',
		0x002A: 'FORMAT.NUMBER',
		0x002B: 'ALIGNMENT',
		0x002C: 'STYLE',
		0x002D: 'BORDER',
		0x002E: 'CELL.PROTECTION',
		0x002F: 'COLUMN.WIDTH',
		0x0030: 'UNDO',
		0x0031: 'CUT',
		0x0032: 'COPY',
		0x0033: 'PASTE',
		0x0034: 'CLEAR',
		0x0035: 'PASTE.SPECIAL',
		0x0036: 'EDIT.DELETE',
		0x0037: 'INSERT',
		0x0038: 'FILL.RIGHT',
		0x0039: 'FILL.DOWN',
		0x003D: 'DEFINE.NAME',
		0x003E: 'CREATE.NAMES',
		0x003F: 'FORMULA.GOTO',
		0x0040: 'FORMULA.FIND',
		0x0041: 'SELECT.LAST.CELL',
		0x0042: 'SHOW.ACTIVE.CELL',
		0x0043: 'GALLERY.AREA',
		0x0044: 'GALLERY.BAR',
		0x0045: 'GALLERY.COLUMN',
		0x0046: 'GALLERY.LINE',
		0x0047: 'GALLERY.PIE',
		0x0048: 'GALLERY.SCATTER',
		0x0049: 'COMBINATION',
		0x004A: 'PREFERRED',
		0x004B: 'ADD.OVERLAY',
		0x004C: 'GRIDLINES',
		0x004D: 'SET.PREFERRED',
		0x004E: 'AXES',
		0x004F: 'LEGEND',
		0x0050: 'ATTACH.TEXT',
		0x0051: 'ADD.ARROW',
		0x0052: 'SELECT.CHART',
		0x0053: 'SELECT.PLOT.AREA',
		0x0054: 'PATTERNS',
		0x0055: 'MAIN.CHART',
		0x0056: 'OVERLAY',
		0x0057: 'SCALE',
		0x0058: 'FORMAT.LEGEND',
		0x0059: 'FORMAT.TEXT',
		0x005A: 'EDIT.REPEAT',
		0x005B: 'PARSE',
		0x005C: 'JUSTIFY',
		0x005D: 'HIDE',
		0x005E: 'UNHIDE',
		0x005F: 'WORKSPACE',
		0x0060: 'FORMULA',
		0x0061: 'FORMULA.FILL',
		0x0062: 'FORMULA.ARRAY',
		0x0063: 'DATA.FIND.NEXT',
		0x0064: 'DATA.FIND.PREV',
		0x0065: 'FORMULA.FIND.NEXT',
		0x0066: 'FORMULA.FIND.PREV',
		0x0067: 'ACTIVATE',
		0x0068: 'ACTIVATE.NEXT',
		0x0069: 'ACTIVATE.PREV',
		0x006A: 'UNLOCKED.NEXT',
		0x006B: 'UNLOCKED.PREV',
		0x006C: 'COPY.PICTURE',
		0x006D: 'SELECT',
		0x006E: 'DELETE.NAME',
		0x006F: 'DELETE.FORMAT',
		0x0070: 'VLINE',
		0x0071: 'HLINE',
		0x0072: 'VPAGE',
		0x0073: 'HPAGE',
		0x0074: 'VSCROLL',
		0x0075: 'HSCROLL',
		0x0076: 'ALERT',
		0x0077: 'NEW',
		0x0078: 'CANCEL.COPY',
		0x0079: 'SHOW.CLIPBOARD',
		0x007A: 'MESSAGE',
		0x007C: 'PASTE.LINK',
		0x007D: 'APP.ACTIVATE',
		0x007E: 'DELETE.ARROW',
		0x007F: 'ROW.HEIGHT',
		0x0080: 'FORMAT.MOVE',
		0x0081: 'FORMAT.SIZE',
		0x0082: 'FORMULA.REPLACE',
		0x0083: 'SEND.KEYS',
		0x0084: 'SELECT.SPECIAL',
		0x0085: 'APPLY.NAMES',
		0x0086: 'REPLACE.FONT',
		0x0087: 'FREEZE.PANES',
		0x0088: 'SHOW.INFO',
		0x0089: 'SPLIT',
		0x008A: 'ON.WINDOW',
		0x008B: 'ON.DATA',
		0x008C: 'DISABLE.INPUT',
		0x008E: 'OUTLINE',
		0x008F: 'LIST.NAMES',
		0x0090: 'FILE.CLOSE',
		0x0091: 'SAVE.WORKBOOK',
		0x0092: 'DATA.FORM',
		0x0093: 'COPY.CHART',
		0x0094: 'ON.TIME',
		0x0095: 'WAIT',
		0x0096: 'FORMAT.FONT',
		0x0097: 'FILL.UP',
		0x0098: 'FILL.LEFT',
		0x0099: 'DELETE.OVERLAY',
		0x009B: 'SHORT.MENUS',
		0x009F: 'SET.UPDATE.STATUS',
		0x00A1: 'COLOR.PALETTE',
		0x00A2: 'DELETE.STYLE',
		0x00A3: 'WINDOW.RESTORE',
		0x00A4: 'WINDOW.MAXIMIZE',
		0x00A6: 'CHANGE.LINK',
		0x00A7: 'CALCULATE.DOCUMENT',
		0x00A8: 'ON.KEY',
		0x00A9: 'APP.RESTORE',
		0x00AA: 'APP.MOVE',
		0x00AB: 'APP.SIZE',
		0x00AC: 'APP.MINIMIZE',
		0x00AD: 'APP.MAXIMIZE',
		0x00AE: 'BRING.TO.FRONT',
		0x00AF: 'SEND.TO.BACK',
		0x00B9: 'MAIN.CHART.TYPE',
		0x00BA: 'OVERLAY.CHART.TYPE',
		0x00BB: 'SELECT.END',
		0x00BC: 'OPEN.MAIL',
		0x00BD: 'SEND.MAIL',
		0x00BE: 'STANDARD.FONT',
		0x00BF: 'CONSOLIDATE',
		0x00C0: 'SORT.SPECIAL',
		0x00C1: 'GALLERY.3D.AREA',
		0x00C2: 'GALLERY.3D.COLUMN',
		0x00C3: 'GALLERY.3D.LINE',
		0x00C4: 'GALLERY.3D.PIE',
		0x00C5: 'VIEW.3D',
		0x00C6: 'GOAL.SEEK',
		0x00C7: 'WORKGROUP',
		0x00C8: 'FILL.GROUP',
		0x00C9: 'UPDATE.LINK',
		0x00CA: 'PROMOTE',
		0x00CB: 'DEMOTE',
		0x00CC: 'SHOW.DETAIL',
		0x00CE: 'UNGROUP',
		0x00CF: 'OBJECT.PROPERTIES',
		0x00D0: 'SAVE.NEW.OBJECT',
		0x00D1: 'SHARE',
		0x00D2: 'SHARE.NAME',
		0x00D3: 'DUPLICATE',
		0x00D4: 'APPLY.STYLE',
		0x00D5: 'ASSIGN.TO.OBJECT',
		0x00D6: 'OBJECT.PROTECTION',
		0x00D7: 'HIDE.OBJECT',
		0x00D8: 'SET.EXTRACT',
		0x00D9: 'CREATE.PUBLISHER',
		0x00DA: 'SUBSCRIBE.TO',
		0x00DB: 'ATTRIBUTES',
		0x00DC: 'SHOW.TOOLBAR',
		0x00DE: 'PRINT.PREVIEW',
		0x00DF: 'EDIT.COLOR',
		0x00E0: 'SHOW.LEVELS',
		0x00E1: 'FORMAT.MAIN',
		0x00E2: 'FORMAT.OVERLAY',
		0x00E3: 'ON.RECALC',
		0x00E4: 'EDIT.SERIES',
		0x00E5: 'DEFINE.STYLE',
		0x00F0: 'LINE.PRINT',
		0x00F3: 'ENTER.DATA',
		0x00F9: 'GALLERY.RADAR',
		0x00FA: 'MERGE.STYLES',
		0x00FB: 'EDITION.OPTIONS',
		0x00FC: 'PASTE.PICTURE',
		0x00FD: 'PASTE.PICTURE.LINK',
		0x00FE: 'SPELLING',
		0x0100: 'ZOOM',
		0x0103: 'INSERT.OBJECT',
		0x0104: 'WINDOW.MINIMIZE',
		0x0109: 'SOUND.NOTE',
		0x010A: 'SOUND.PLAY',
		0x010B: 'FORMAT.SHAPE',
		0x010C: 'EXTEND.POLYGON',
		0x010D: 'FORMAT.AUTO',
		0x0110: 'GALLERY.3D.BAR',
		0x0111: 'GALLERY.3D.SURFACE',
		0x0112: 'FILL.AUTO',
		0x0114: 'CUSTOMIZE.TOOLBAR',
		0x0115: 'ADD.TOOL',
		0x0116: 'EDIT.OBJECT',
		0x0117: 'ON.DOUBLECLICK',
		0x0118: 'ON.ENTRY',
		0x0119: 'WORKBOOK.ADD',
		0x011A: 'WORKBOOK.MOVE',
		0x011B: 'WORKBOOK.COPY',
		0x011C: 'WORKBOOK.OPTIONS',
		0x011D: 'SAVE.WORKSPACE',
		0x0120: 'CHART.WIZARD',
		0x0121: 'DELETE.TOOL',
		0x0122: 'MOVE.TOOL',
		0x0123: 'WORKBOOK.SELECT',
		0x0124: 'WORKBOOK.ACTIVATE',
		0x0125: 'ASSIGN.TO.TOOL',
		0x0127: 'COPY.TOOL',
		0x0128: 'RESET.TOOL',
		0x0129: 'CONSTRAIN.NUMERIC',
		0x012A: 'PASTE.TOOL',
		0x012E: 'WORKBOOK.NEW',
		0x0131: 'SCENARIO.CELLS',
		0x0132: 'SCENARIO.DELETE',
		0x0133: 'SCENARIO.ADD',
		0x0134: 'SCENARIO.EDIT',
		0x0135: 'SCENARIO.SHOW',
		0x0136: 'SCENARIO.SHOW.NEXT',
		0x0137: 'SCENARIO.SUMMARY',
		0x0138: 'PIVOT.TABLE.WIZARD',
		0x0139: 'PIVOT.FIELD.PROPERTIES',
		0x013A: 'PIVOT.FIELD',
		0x013B: 'PIVOT.ITEM',
		0x013C: 'PIVOT.ADD.FIELDS',
		0x013E: 'OPTIONS.CALCULATION',
		0x013F: 'OPTIONS.EDIT',
		0x0140: 'OPTIONS.VIEW',
		0x0141: 'ADDIN.MANAGER',
		0x0142: 'MENU.EDITOR',
		0x0143: 'ATTACH.TOOLBARS',
		0x0144: 'VBAActivate',
		0x0145: 'OPTIONS.CHART',
		0x0148: 'VBA.INSERT.FILE',
		0x014A: 'VBA.PROCEDURE.DEFINITION',
		0x0150: 'ROUTING.SLIP',
		0x0152: 'ROUTE.DOCUMENT',
		0x0153: 'MAIL.LOGON',
		0x0156: 'INSERT.PICTURE',
		0x0157: 'EDIT.TOOL',
		0x0158: 'GALLERY.DOUGHNUT',
		0x015E: 'CHART.TREND',
		0x0160: 'PIVOT.ITEM.PROPERTIES',
		0x0162: 'WORKBOOK.INSERT',
		0x0163: 'OPTIONS.TRANSITION',
		0x0164: 'OPTIONS.GENERAL',
		0x0172: 'FILTER.ADVANCED',
		0x0175: 'MAIL.ADD.MAILER',
		0x0176: 'MAIL.DELETE.MAILER',
		0x0177: 'MAIL.REPLY',
		0x0178: 'MAIL.REPLY.ALL',
		0x0179: 'MAIL.FORWARD',
		0x017A: 'MAIL.NEXT.LETTER',
		0x017B: 'DATA.LABEL',
		0x017C: 'INSERT.TITLE',
		0x017D: 'FONT.PROPERTIES',
		0x017E: 'MACRO.OPTIONS',
		0x017F: 'WORKBOOK.HIDE',
		0x0180: 'WORKBOOK.UNHIDE',
		0x0181: 'WORKBOOK.DELETE',
		0x0182: 'WORKBOOK.NAME',
		0x0184: 'GALLERY.CUSTOM',
		0x0186: 'ADD.CHART.AUTOFORMAT',
		0x0187: 'DELETE.CHART.AUTOFORMAT',
		0x0188: 'CHART.ADD.DATA',
		0x0189: 'AUTO.OUTLINE',
		0x018A: 'TAB.ORDER',
		0x018B: 'SHOW.DIALOG',
		0x018C: 'SELECT.ALL',
		0x018D: 'UNGROUP.SHEETS',
		0x018E: 'SUBTOTAL.CREATE',
		0x018F: 'SUBTOTAL.REMOVE',
		0x0190: 'RENAME.OBJECT',
		0x019C: 'WORKBOOK.SCROLL',
		0x019D: 'WORKBOOK.NEXT',
		0x019E: 'WORKBOOK.PREV',
		0x019F: 'WORKBOOK.TAB.SPLIT',
		0x01A0: 'FULL.SCREEN',
		0x01A1: 'WORKBOOK.PROTECT',
		0x01A4: 'SCROLLBAR.PROPERTIES',
		0x01A5: 'PIVOT.SHOW.PAGES',
		0x01A6: 'TEXT.TO.COLUMNS',
		0x01A7: 'FORMAT.CHARTTYPE',
		0x01A8: 'LINK.FORMAT',
		0x01A9: 'TRACER.DISPLAY',
		0x01AE: 'TRACER.NAVIGATE',
		0x01AF: 'TRACER.CLEAR',
		0x01B0: 'TRACER.ERROR',
		0x01B1: 'PIVOT.FIELD.GROUP',
		0x01B2: 'PIVOT.FIELD.UNGROUP',
		0x01B3: 'CHECKBOX.PROPERTIES',
		0x01B4: 'LABEL.PROPERTIES',
		0x01B5: 'LISTBOX.PROPERTIES',
		0x01B6: 'EDITBOX.PROPERTIES',
		0x01B7: 'PIVOT.REFRESH',
		0x01B8: 'LINK.COMBO',
		0x01B9: 'OPEN.TEXT',
		0x01BA: 'HIDE.DIALOG',
		0x01BB: 'SET.DIALOG.FOCUS',
		0x01BC: 'ENABLE.OBJECT',
		0x01BD: 'PUSHBUTTON.PROPERTIES',
		0x01BE: 'SET.DIALOG.DEFAULT',
		0x01BF: 'FILTER',
		0x01C0: 'FILTER.SHOW.ALL',
		0x01C1: 'CLEAR.OUTLINE',
		0x01C2: 'FUNCTION.WIZARD',
		0x01C3: 'ADD.LIST.ITEM',
		0x01C4: 'SET.LIST.ITEM',
		0x01C5: 'REMOVE.LIST.ITEM',
		0x01C6: 'SELECT.LIST.ITEM',
		0x01C7: 'SET.CONTROL.VALUE',
		0x01C8: 'SAVE.COPY.AS',
		0x01CA: 'OPTIONS.LISTS.ADD',
		0x01CB: 'OPTIONS.LISTS.DELETE',
		0x01CC: 'SERIES.AXES',
		0x01CD: 'SERIES.X',
		0x01CE: 'SERIES.Y',
		0x01CF: 'ERRORBAR.X',
		0x01D0: 'ERRORBAR.Y',
		0x01D1: 'FORMAT.CHART',
		0x01D2: 'SERIES.ORDER',
		0x01D3: 'MAIL.LOGOFF',
		0x01D4: 'CLEAR.ROUTING.SLIP',
		0x01D5: 'APP.ACTIVATE.MICROSOFT',
		0x01D6: 'MAIL.EDIT.MAILER',
		0x01D7: 'ON.SHEET',
		0x01D8: 'STANDARD.WIDTH',
		0x01D9: 'SCENARIO.MERGE',
		0x01DA: 'SUMMARY.INFO',
		0x01DB: 'FIND.FILE',
		0x01DC: 'ACTIVE.CELL.FONT',
		0x01DD: 'ENABLE.TIPWIZARD',
		0x01DE: 'VBA.MAKE.ADDIN',
		0x01E0: 'INSERTDATATABLE',
		0x01E1: 'WORKGROUP.OPTIONS',
		0x01E2: 'MAIL.SEND.MAILER',
		0x01E5: 'AUTOCORRECT',
		0x01E9: 'POST.DOCUMENT',
		0x01EB: 'PICKLIST',
		0x01ED: 'VIEW.SHOW',
		0x01EE: 'VIEW.DEFINE',
		0x01EF: 'VIEW.DELETE',
		0x01FD: 'SHEET.BACKGROUND',
		0x01FE: 'INSERT.MAP.OBJECT',
		0x01FF: 'OPTIONS.MENONO',
		0x0205: 'MSOCHECKS',
		0x0206: 'NORMAL',
		0x0207: 'LAYOUT',
		0x0208: 'RM.PRINT.AREA',
		0x0209: 'CLEAR.PRINT.AREA',
		0x020A: 'ADD.PRINT.AREA',
		0x020B: 'MOVE.BRK',
		0x0221: 'HIDECURR.NOTE',
		0x0222: 'HIDEALL.NOTES',
		0x0223: 'DELETE.NOTE',
		0x0224: 'TRAVERSE.NOTES',
		0x0225: 'ACTIVATE.NOTES',
		0x026C: 'PROTECT.REVISIONS',
		0x026D: 'UNPROTECT.REVISIONS',
		0x0287: 'OPTIONS.ME',
		0x028D: 'WEB.PUBLISH',
		0x029B: 'NEWWEBQUERY',
		0x02A1: 'PIVOT.TABLE.CHART',
		0x02F1: 'OPTIONS.SAVE',
		0x02F3: 'OPTIONS.SPELL',
		0x0328: 'HIDEALL.INKANNOTS'
	};

	/* [MS-XLS] 2.5.198.17 */
	/* [MS-XLSB] 2.5.97.10 */
	var Ftab = {
		0x0000: 'COUNT',
		0x0001: 'IF',
		0x0002: 'ISNA',
		0x0003: 'ISERROR',
		0x0004: 'SUM',
		0x0005: 'AVERAGE',
		0x0006: 'MIN',
		0x0007: 'MAX',
		0x0008: 'ROW',
		0x0009: 'COLUMN',
		0x000A: 'NA',
		0x000B: 'NPV',
		0x000C: 'STDEV',
		0x000D: 'DOLLAR',
		0x000E: 'FIXED',
		0x000F: 'SIN',
		0x0010: 'COS',
		0x0011: 'TAN',
		0x0012: 'ATAN',
		0x0013: 'PI',
		0x0014: 'SQRT',
		0x0015: 'EXP',
		0x0016: 'LN',
		0x0017: 'LOG10',
		0x0018: 'ABS',
		0x0019: 'INT',
		0x001A: 'SIGN',
		0x001B: 'ROUND',
		0x001C: 'LOOKUP',
		0x001D: 'INDEX',
		0x001E: 'REPT',
		0x001F: 'MID',
		0x0020: 'LEN',
		0x0021: 'VALUE',
		0x0022: 'TRUE',
		0x0023: 'FALSE',
		0x0024: 'AND',
		0x0025: 'OR',
		0x0026: 'NOT',
		0x0027: 'MOD',
		0x0028: 'DCOUNT',
		0x0029: 'DSUM',
		0x002A: 'DAVERAGE',
		0x002B: 'DMIN',
		0x002C: 'DMAX',
		0x002D: 'DSTDEV',
		0x002E: 'VAR',
		0x002F: 'DVAR',
		0x0030: 'TEXT',
		0x0031: 'LINEST',
		0x0032: 'TREND',
		0x0033: 'LOGEST',
		0x0034: 'GROWTH',
		0x0035: 'GOTO',
		0x0036: 'HALT',
		0x0037: 'RETURN',
		0x0038: 'PV',
		0x0039: 'FV',
		0x003A: 'NPER',
		0x003B: 'PMT',
		0x003C: 'RATE',
		0x003D: 'MIRR',
		0x003E: 'IRR',
		0x003F: 'RAND',
		0x0040: 'MATCH',
		0x0041: 'DATE',
		0x0042: 'TIME',
		0x0043: 'DAY',
		0x0044: 'MONTH',
		0x0045: 'YEAR',
		0x0046: 'WEEKDAY',
		0x0047: 'HOUR',
		0x0048: 'MINUTE',
		0x0049: 'SECOND',
		0x004A: 'NOW',
		0x004B: 'AREAS',
		0x004C: 'ROWS',
		0x004D: 'COLUMNS',
		0x004E: 'OFFSET',
		0x004F: 'ABSREF',
		0x0050: 'RELREF',
		0x0051: 'ARGUMENT',
		0x0052: 'SEARCH',
		0x0053: 'TRANSPOSE',
		0x0054: 'ERROR',
		0x0055: 'STEP',
		0x0056: 'TYPE',
		0x0057: 'ECHO',
		0x0058: 'SET.NAME',
		0x0059: 'CALLER',
		0x005A: 'DEREF',
		0x005B: 'WINDOWS',
		0x005C: 'SERIES',
		0x005D: 'DOCUMENTS',
		0x005E: 'ACTIVE.CELL',
		0x005F: 'SELECTION',
		0x0060: 'RESULT',
		0x0061: 'ATAN2',
		0x0062: 'ASIN',
		0x0063: 'ACOS',
		0x0064: 'CHOOSE',
		0x0065: 'HLOOKUP',
		0x0066: 'VLOOKUP',
		0x0067: 'LINKS',
		0x0068: 'INPUT',
		0x0069: 'ISREF',
		0x006A: 'GET.FORMULA',
		0x006B: 'GET.NAME',
		0x006C: 'SET.VALUE',
		0x006D: 'LOG',
		0x006E: 'EXEC',
		0x006F: 'CHAR',
		0x0070: 'LOWER',
		0x0071: 'UPPER',
		0x0072: 'PROPER',
		0x0073: 'LEFT',
		0x0074: 'RIGHT',
		0x0075: 'EXACT',
		0x0076: 'TRIM',
		0x0077: 'REPLACE',
		0x0078: 'SUBSTITUTE',
		0x0079: 'CODE',
		0x007A: 'NAMES',
		0x007B: 'DIRECTORY',
		0x007C: 'FIND',
		0x007D: 'CELL',
		0x007E: 'ISERR',
		0x007F: 'ISTEXT',
		0x0080: 'ISNUMBER',
		0x0081: 'ISBLANK',
		0x0082: 'T',
		0x0083: 'N',
		0x0084: 'FOPEN',
		0x0085: 'FCLOSE',
		0x0086: 'FSIZE',
		0x0087: 'FREADLN',
		0x0088: 'FREAD',
		0x0089: 'FWRITELN',
		0x008A: 'FWRITE',
		0x008B: 'FPOS',
		0x008C: 'DATEVALUE',
		0x008D: 'TIMEVALUE',
		0x008E: 'SLN',
		0x008F: 'SYD',
		0x0090: 'DDB',
		0x0091: 'GET.DEF',
		0x0092: 'REFTEXT',
		0x0093: 'TEXTREF',
		0x0094: 'INDIRECT',
		0x0095: 'REGISTER',
		0x0096: 'CALL',
		0x0097: 'ADD.BAR',
		0x0098: 'ADD.MENU',
		0x0099: 'ADD.COMMAND',
		0x009A: 'ENABLE.COMMAND',
		0x009B: 'CHECK.COMMAND',
		0x009C: 'RENAME.COMMAND',
		0x009D: 'SHOW.BAR',
		0x009E: 'DELETE.MENU',
		0x009F: 'DELETE.COMMAND',
		0x00A0: 'GET.CHART.ITEM',
		0x00A1: 'DIALOG.BOX',
		0x00A2: 'CLEAN',
		0x00A3: 'MDETERM',
		0x00A4: 'MINVERSE',
		0x00A5: 'MMULT',
		0x00A6: 'FILES',
		0x00A7: 'IPMT',
		0x00A8: 'PPMT',
		0x00A9: 'COUNTA',
		0x00AA: 'CANCEL.KEY',
		0x00AB: 'FOR',
		0x00AC: 'WHILE',
		0x00AD: 'BREAK',
		0x00AE: 'NEXT',
		0x00AF: 'INITIATE',
		0x00B0: 'REQUEST',
		0x00B1: 'POKE',
		0x00B2: 'EXECUTE',
		0x00B3: 'TERMINATE',
		0x00B4: 'RESTART',
		0x00B5: 'HELP',
		0x00B6: 'GET.BAR',
		0x00B7: 'PRODUCT',
		0x00B8: 'FACT',
		0x00B9: 'GET.CELL',
		0x00BA: 'GET.WORKSPACE',
		0x00BB: 'GET.WINDOW',
		0x00BC: 'GET.DOCUMENT',
		0x00BD: 'DPRODUCT',
		0x00BE: 'ISNONTEXT',
		0x00BF: 'GET.NOTE',
		0x00C0: 'NOTE',
		0x00C1: 'STDEVP',
		0x00C2: 'VARP',
		0x00C3: 'DSTDEVP',
		0x00C4: 'DVARP',
		0x00C5: 'TRUNC',
		0x00C6: 'ISLOGICAL',
		0x00C7: 'DCOUNTA',
		0x00C8: 'DELETE.BAR',
		0x00C9: 'UNREGISTER',
		0x00CC: 'USDOLLAR',
		0x00CD: 'FINDB',
		0x00CE: 'SEARCHB',
		0x00CF: 'REPLACEB',
		0x00D0: 'LEFTB',
		0x00D1: 'RIGHTB',
		0x00D2: 'MIDB',
		0x00D3: 'LENB',
		0x00D4: 'ROUNDUP',
		0x00D5: 'ROUNDDOWN',
		0x00D6: 'ASC',
		0x00D7: 'DBCS',
		0x00D8: 'RANK',
		0x00DB: 'ADDRESS',
		0x00DC: 'DAYS360',
		0x00DD: 'TODAY',
		0x00DE: 'VDB',
		0x00DF: 'ELSE',
		0x00E0: 'ELSE.IF',
		0x00E1: 'END.IF',
		0x00E2: 'FOR.CELL',
		0x00E3: 'MEDIAN',
		0x00E4: 'SUMPRODUCT',
		0x00E5: 'SINH',
		0x00E6: 'COSH',
		0x00E7: 'TANH',
		0x00E8: 'ASINH',
		0x00E9: 'ACOSH',
		0x00EA: 'ATANH',
		0x00EB: 'DGET',
		0x00EC: 'CREATE.OBJECT',
		0x00ED: 'VOLATILE',
		0x00EE: 'LAST.ERROR',
		0x00EF: 'CUSTOM.UNDO',
		0x00F0: 'CUSTOM.REPEAT',
		0x00F1: 'FORMULA.CONVERT',
		0x00F2: 'GET.LINK.INFO',
		0x00F3: 'TEXT.BOX',
		0x00F4: 'INFO',
		0x00F5: 'GROUP',
		0x00F6: 'GET.OBJECT',
		0x00F7: 'DB',
		0x00F8: 'PAUSE',
		0x00FB: 'RESUME',
		0x00FC: 'FREQUENCY',
		0x00FD: 'ADD.TOOLBAR',
		0x00FE: 'DELETE.TOOLBAR',
		0x00FF: 'User',
		0x0100: 'RESET.TOOLBAR',
		0x0101: 'EVALUATE',
		0x0102: 'GET.TOOLBAR',
		0x0103: 'GET.TOOL',
		0x0104: 'SPELLING.CHECK',
		0x0105: 'ERROR.TYPE',
		0x0106: 'APP.TITLE',
		0x0107: 'WINDOW.TITLE',
		0x0108: 'SAVE.TOOLBAR',
		0x0109: 'ENABLE.TOOL',
		0x010A: 'PRESS.TOOL',
		0x010B: 'REGISTER.ID',
		0x010C: 'GET.WORKBOOK',
		0x010D: 'AVEDEV',
		0x010E: 'BETADIST',
		0x010F: 'GAMMALN',
		0x0110: 'BETAINV',
		0x0111: 'BINOMDIST',
		0x0112: 'CHIDIST',
		0x0113: 'CHIINV',
		0x0114: 'COMBIN',
		0x0115: 'CONFIDENCE',
		0x0116: 'CRITBINOM',
		0x0117: 'EVEN',
		0x0118: 'EXPONDIST',
		0x0119: 'FDIST',
		0x011A: 'FINV',
		0x011B: 'FISHER',
		0x011C: 'FISHERINV',
		0x011D: 'FLOOR',
		0x011E: 'GAMMADIST',
		0x011F: 'GAMMAINV',
		0x0120: 'CEILING',
		0x0121: 'HYPGEOMDIST',
		0x0122: 'LOGNORMDIST',
		0x0123: 'LOGINV',
		0x0124: 'NEGBINOMDIST',
		0x0125: 'NORMDIST',
		0x0126: 'NORMSDIST',
		0x0127: 'NORMINV',
		0x0128: 'NORMSINV',
		0x0129: 'STANDARDIZE',
		0x012A: 'ODD',
		0x012B: 'PERMUT',
		0x012C: 'POISSON',
		0x012D: 'TDIST',
		0x012E: 'WEIBULL',
		0x012F: 'SUMXMY2',
		0x0130: 'SUMX2MY2',
		0x0131: 'SUMX2PY2',
		0x0132: 'CHITEST',
		0x0133: 'CORREL',
		0x0134: 'COVAR',
		0x0135: 'FORECAST',
		0x0136: 'FTEST',
		0x0137: 'INTERCEPT',
		0x0138: 'PEARSON',
		0x0139: 'RSQ',
		0x013A: 'STEYX',
		0x013B: 'SLOPE',
		0x013C: 'TTEST',
		0x013D: 'PROB',
		0x013E: 'DEVSQ',
		0x013F: 'GEOMEAN',
		0x0140: 'HARMEAN',
		0x0141: 'SUMSQ',
		0x0142: 'KURT',
		0x0143: 'SKEW',
		0x0144: 'ZTEST',
		0x0145: 'LARGE',
		0x0146: 'SMALL',
		0x0147: 'QUARTILE',
		0x0148: 'PERCENTILE',
		0x0149: 'PERCENTRANK',
		0x014A: 'MODE',
		0x014B: 'TRIMMEAN',
		0x014C: 'TINV',
		0x014E: 'MOVIE.COMMAND',
		0x014F: 'GET.MOVIE',
		0x0150: 'CONCATENATE',
		0x0151: 'POWER',
		0x0152: 'PIVOT.ADD.DATA',
		0x0153: 'GET.PIVOT.TABLE',
		0x0154: 'GET.PIVOT.FIELD',
		0x0155: 'GET.PIVOT.ITEM',
		0x0156: 'RADIANS',
		0x0157: 'DEGREES',
		0x0158: 'SUBTOTAL',
		0x0159: 'SUMIF',
		0x015A: 'COUNTIF',
		0x015B: 'COUNTBLANK',
		0x015C: 'SCENARIO.GET',
		0x015D: 'OPTIONS.LISTS.GET',
		0x015E: 'ISPMT',
		0x015F: 'DATEDIF',
		0x0160: 'DATESTRING',
		0x0161: 'NUMBERSTRING',
		0x0162: 'ROMAN',
		0x0163: 'OPEN.DIALOG',
		0x0164: 'SAVE.DIALOG',
		0x0165: 'VIEW.GET',
		0x0166: 'GETPIVOTDATA',
		0x0167: 'HYPERLINK',
		0x0168: 'PHONETIC',
		0x0169: 'AVERAGEA',
		0x016A: 'MAXA',
		0x016B: 'MINA',
		0x016C: 'STDEVPA',
		0x016D: 'VARPA',
		0x016E: 'STDEVA',
		0x016F: 'VARA',
		0x0170: 'BAHTTEXT',
		0x0171: 'THAIDAYOFWEEK',
		0x0172: 'THAIDIGIT',
		0x0173: 'THAIMONTHOFYEAR',
		0x0174: 'THAINUMSOUND',
		0x0175: 'THAINUMSTRING',
		0x0176: 'THAISTRINGLENGTH',
		0x0177: 'ISTHAIDIGIT',
		0x0178: 'ROUNDBAHTDOWN',
		0x0179: 'ROUNDBAHTUP',
		0x017A: 'THAIYEAR',
		0x017B: 'RTD',

		0x017C: 'CUBEVALUE',
		0x017D: 'CUBEMEMBER',
		0x017E: 'CUBEMEMBERPROPERTY',
		0x017F: 'CUBERANKEDMEMBER',
		0x0180: 'HEX2BIN',
		0x0181: 'HEX2DEC',
		0x0182: 'HEX2OCT',
		0x0183: 'DEC2BIN',
		0x0184: 'DEC2HEX',
		0x0185: 'DEC2OCT',
		0x0186: 'OCT2BIN',
		0x0187: 'OCT2HEX',
		0x0188: 'OCT2DEC',
		0x0189: 'BIN2DEC',
		0x018A: 'BIN2OCT',
		0x018B: 'BIN2HEX',
		0x018C: 'IMSUB',
		0x018D: 'IMDIV',
		0x018E: 'IMPOWER',
		0x018F: 'IMABS',
		0x0190: 'IMSQRT',
		0x0191: 'IMLN',
		0x0192: 'IMLOG2',
		0x0193: 'IMLOG10',
		0x0194: 'IMSIN',
		0x0195: 'IMCOS',
		0x0196: 'IMEXP',
		0x0197: 'IMARGUMENT',
		0x0198: 'IMCONJUGATE',
		0x0199: 'IMAGINARY',
		0x019A: 'IMREAL',
		0x019B: 'COMPLEX',
		0x019C: 'IMSUM',
		0x019D: 'IMPRODUCT',
		0x019E: 'SERIESSUM',
		0x019F: 'FACTDOUBLE',
		0x01A0: 'SQRTPI',
		0x01A1: 'QUOTIENT',
		0x01A2: 'DELTA',
		0x01A3: 'GESTEP',
		0x01A4: 'ISEVEN',
		0x01A5: 'ISODD',
		0x01A6: 'MROUND',
		0x01A7: 'ERF',
		0x01A8: 'ERFC',
		0x01A9: 'BESSELJ',
		0x01AA: 'BESSELK',
		0x01AB: 'BESSELY',
		0x01AC: 'BESSELI',
		0x01AD: 'XIRR',
		0x01AE: 'XNPV',
		0x01AF: 'PRICEMAT',
		0x01B0: 'YIELDMAT',
		0x01B1: 'INTRATE',
		0x01B2: 'RECEIVED',
		0x01B3: 'DISC',
		0x01B4: 'PRICEDISC',
		0x01B5: 'YIELDDISC',
		0x01B6: 'TBILLEQ',
		0x01B7: 'TBILLPRICE',
		0x01B8: 'TBILLYIELD',
		0x01B9: 'PRICE',
		0x01BA: 'YIELD',
		0x01BB: 'DOLLARDE',
		0x01BC: 'DOLLARFR',
		0x01BD: 'NOMINAL',
		0x01BE: 'EFFECT',
		0x01BF: 'CUMPRINC',
		0x01C0: 'CUMIPMT',
		0x01C1: 'EDATE',
		0x01C2: 'EOMONTH',
		0x01C3: 'YEARFRAC',
		0x01C4: 'COUPDAYBS',
		0x01C5: 'COUPDAYS',
		0x01C6: 'COUPDAYSNC',
		0x01C7: 'COUPNCD',
		0x01C8: 'COUPNUM',
		0x01C9: 'COUPPCD',
		0x01CA: 'DURATION',
		0x01CB: 'MDURATION',
		0x01CC: 'ODDLPRICE',
		0x01CD: 'ODDLYIELD',
		0x01CE: 'ODDFPRICE',
		0x01CF: 'ODDFYIELD',
		0x01D0: 'RANDBETWEEN',
		0x01D1: 'WEEKNUM',
		0x01D2: 'AMORDEGRC',
		0x01D3: 'AMORLINC',
		0x01D4: 'CONVERT',
		0x02D4: 'SHEETJS',
		0x01D5: 'ACCRINT',
		0x01D6: 'ACCRINTM',
		0x01D7: 'WORKDAY',
		0x01D8: 'NETWORKDAYS',
		0x01D9: 'GCD',
		0x01DA: 'MULTINOMIAL',
		0x01DB: 'LCM',
		0x01DC: 'FVSCHEDULE',
		0x01DD: 'CUBEKPIMEMBER',
		0x01DE: 'CUBESET',
		0x01DF: 'CUBESETCOUNT',
		0x01E0: 'IFERROR',
		0x01E1: 'COUNTIFS',
		0x01E2: 'SUMIFS',
		0x01E3: 'AVERAGEIF',
		0x01E4: 'AVERAGEIFS'
	};
	var FtabArgc = {
		0x0002: 1, /* ISNA */
		0x0003: 1, /* ISERROR */
		0x000A: 0, /* NA */
		0x000F: 1, /* SIN */
		0x0010: 1, /* COS */
		0x0011: 1, /* TAN */
		0x0012: 1, /* ATAN */
		0x0013: 0, /* PI */
		0x0014: 1, /* SQRT */
		0x0015: 1, /* EXP */
		0x0016: 1, /* LN */
		0x0017: 1, /* LOG10 */
		0x0018: 1, /* ABS */
		0x0019: 1, /* INT */
		0x001A: 1, /* SIGN */
		0x001B: 2, /* ROUND */
		0x001E: 2, /* REPT */
		0x001F: 3, /* MID */
		0x0020: 1, /* LEN */
		0x0021: 1, /* VALUE */
		0x0022: 0, /* TRUE */
		0x0023: 0, /* FALSE */
		0x0026: 1, /* NOT */
		0x0027: 2, /* MOD */
		0x0028: 3, /* DCOUNT */
		0x0029: 3, /* DSUM */
		0x002A: 3, /* DAVERAGE */
		0x002B: 3, /* DMIN */
		0x002C: 3, /* DMAX */
		0x002D: 3, /* DSTDEV */
		0x002F: 3, /* DVAR */
		0x0030: 2, /* TEXT */
		0x0035: 1, /* GOTO */
		0x003D: 3, /* MIRR */
		0x003F: 0, /* RAND */
		0x0041: 3, /* DATE */
		0x0042: 3, /* TIME */
		0x0043: 1, /* DAY */
		0x0044: 1, /* MONTH */
		0x0045: 1, /* YEAR */
		0x0046: 1, /* WEEKDAY */
		0x0047: 1, /* HOUR */
		0x0048: 1, /* MINUTE */
		0x0049: 1, /* SECOND */
		0x004A: 0, /* NOW */
		0x004B: 1, /* AREAS */
		0x004C: 1, /* ROWS */
		0x004D: 1, /* COLUMNS */
		0x004F: 2, /* ABSREF */
		0x0050: 2, /* RELREF */
		0x0053: 1, /* TRANSPOSE */
		0x0055: 0, /* STEP */
		0x0056: 1, /* TYPE */
		0x0059: 0, /* CALLER */
		0x005A: 1, /* DEREF */
		0x005E: 0, /* ACTIVE.CELL */
		0x005F: 0, /* SELECTION */
		0x0061: 2, /* ATAN2 */
		0x0062: 1, /* ASIN */
		0x0063: 1, /* ACOS */
		0x0065: 3, /* HLOOKUP */
		0x0066: 3, /* VLOOKUP */
		0x0069: 1, /* ISREF */
		0x006A: 1, /* GET.FORMULA */
		0x006C: 2, /* SET.VALUE */
		0x006F: 1, /* CHAR */
		0x0070: 1, /* LOWER */
		0x0071: 1, /* UPPER */
		0x0072: 1, /* PROPER */
		0x0075: 2, /* EXACT */
		0x0076: 1, /* TRIM */
		0x0077: 4, /* REPLACE */
		0x0079: 1, /* CODE */
		0x007E: 1, /* ISERR */
		0x007F: 1, /* ISTEXT */
		0x0080: 1, /* ISNUMBER */
		0x0081: 1, /* ISBLANK */
		0x0082: 1, /* T */
		0x0083: 1, /* N */
		0x0085: 1, /* FCLOSE */
		0x0086: 1, /* FSIZE */
		0x0087: 1, /* FREADLN */
		0x0088: 2, /* FREAD */
		0x0089: 2, /* FWRITELN */
		0x008A: 2, /* FWRITE */
		0x008C: 1, /* DATEVALUE */
		0x008D: 1, /* TIMEVALUE */
		0x008E: 3, /* SLN */
		0x008F: 4, /* SYD */
		0x0090: 4, /* DDB */
		0x00A1: 1, /* DIALOG.BOX */
		0x00A2: 1, /* CLEAN */
		0x00A3: 1, /* MDETERM */
		0x00A4: 1, /* MINVERSE */
		0x00A5: 2, /* MMULT */
		0x00AC: 1, /* WHILE */
		0x00AF: 2, /* INITIATE */
		0x00B0: 2, /* REQUEST */
		0x00B1: 3, /* POKE */
		0x00B2: 2, /* EXECUTE */
		0x00B3: 1, /* TERMINATE */
		0x00B8: 1, /* FACT */
		0x00BA: 1, /* GET.WORKSPACE */
		0x00BD: 3, /* DPRODUCT */
		0x00BE: 1, /* ISNONTEXT */
		0x00C3: 3, /* DSTDEVP */
		0x00C4: 3, /* DVARP */
		0x00C5: 1, /* TRUNC */
		0x00C6: 1, /* ISLOGICAL */
		0x00C7: 3, /* DCOUNTA */
		0x00C9: 1, /* UNREGISTER */
		0x00CF: 4, /* REPLACEB */
		0x00D2: 3, /* MIDB */
		0x00D3: 1, /* LENB */
		0x00D4: 2, /* ROUNDUP */
		0x00D5: 2, /* ROUNDDOWN */
		0x00D6: 1, /* ASC */
		0x00D7: 1, /* DBCS */
		0x00E1: 0, /* END.IF */
		0x00E5: 1, /* SINH */
		0x00E6: 1, /* COSH */
		0x00E7: 1, /* TANH */
		0x00E8: 1, /* ASINH */
		0x00E9: 1, /* ACOSH */
		0x00EA: 1, /* ATANH */
		0x00EB: 3, /* DGET */
		0x00F4: 1, /* INFO */
		0x00F7: 4, /* DB */
		0x00FC: 2, /* FREQUENCY */
		0x0101: 1, /* EVALUATE */
		0x0105: 1, /* ERROR.TYPE */
		0x010F: 1, /* GAMMALN */
		0x0111: 4, /* BINOMDIST */
		0x0112: 2, /* CHIDIST */
		0x0113: 2, /* CHIINV */
		0x0114: 2, /* COMBIN */
		0x0115: 3, /* CONFIDENCE */
		0x0116: 3, /* CRITBINOM */
		0x0117: 1, /* EVEN */
		0x0118: 3, /* EXPONDIST */
		0x0119: 3, /* FDIST */
		0x011A: 3, /* FINV */
		0x011B: 1, /* FISHER */
		0x011C: 1, /* FISHERINV */
		0x011D: 2, /* FLOOR */
		0x011E: 4, /* GAMMADIST */
		0x011F: 3, /* GAMMAINV */
		0x0120: 2, /* CEILING */
		0x0121: 4, /* HYPGEOMDIST */
		0x0122: 3, /* LOGNORMDIST */
		0x0123: 3, /* LOGINV */
		0x0124: 3, /* NEGBINOMDIST */
		0x0125: 4, /* NORMDIST */
		0x0126: 1, /* NORMSDIST */
		0x0127: 3, /* NORMINV */
		0x0128: 1, /* NORMSINV */
		0x0129: 3, /* STANDARDIZE */
		0x012A: 1, /* ODD */
		0x012B: 2, /* PERMUT */
		0x012C: 3, /* POISSON */
		0x012D: 3, /* TDIST */
		0x012E: 4, /* WEIBULL */
		0x012F: 2, /* SUMXMY2 */
		0x0130: 2, /* SUMX2MY2 */
		0x0131: 2, /* SUMX2PY2 */
		0x0132: 2, /* CHITEST */
		0x0133: 2, /* CORREL */
		0x0134: 2, /* COVAR */
		0x0135: 3, /* FORECAST */
		0x0136: 2, /* FTEST */
		0x0137: 2, /* INTERCEPT */
		0x0138: 2, /* PEARSON */
		0x0139: 2, /* RSQ */
		0x013A: 2, /* STEYX */
		0x013B: 2, /* SLOPE */
		0x013C: 4, /* TTEST */
		0x0145: 2, /* LARGE */
		0x0146: 2, /* SMALL */
		0x0147: 2, /* QUARTILE */
		0x0148: 2, /* PERCENTILE */
		0x014B: 2, /* TRIMMEAN */
		0x014C: 2, /* TINV */
		0x0151: 2, /* POWER */
		0x0156: 1, /* RADIANS */
		0x0157: 1, /* DEGREES */
		0x015A: 2, /* COUNTIF */
		0x015B: 1, /* COUNTBLANK */
		0x015E: 4, /* ISPMT */
		0x015F: 3, /* DATEDIF */
		0x0160: 1, /* DATESTRING */
		0x0161: 2, /* NUMBERSTRING */
		0x0168: 1, /* PHONETIC */
		0x0170: 1, /* BAHTTEXT */
		0x0171: 1, /* THAIDAYOFWEEK */
		0x0172: 1, /* THAIDIGIT */
		0x0173: 1, /* THAIMONTHOFYEAR */
		0x0174: 1, /* THAINUMSOUND */
		0x0175: 1, /* THAINUMSTRING */
		0x0176: 1, /* THAISTRINGLENGTH */
		0x0177: 1, /* ISTHAIDIGIT */
		0x0178: 1, /* ROUNDBAHTDOWN */
		0x0179: 1, /* ROUNDBAHTUP */
		0x017A: 1, /* THAIYEAR */
		0x017E: 3, /* CUBEMEMBERPROPERTY */
		0x0181: 1, /* HEX2DEC */
		0x0188: 1, /* OCT2DEC */
		0x0189: 1, /* BIN2DEC */
		0x018C: 2, /* IMSUB */
		0x018D: 2, /* IMDIV */
		0x018E: 2, /* IMPOWER */
		0x018F: 1, /* IMABS */
		0x0190: 1, /* IMSQRT */
		0x0191: 1, /* IMLN */
		0x0192: 1, /* IMLOG2 */
		0x0193: 1, /* IMLOG10 */
		0x0194: 1, /* IMSIN */
		0x0195: 1, /* IMCOS */
		0x0196: 1, /* IMEXP */
		0x0197: 1, /* IMARGUMENT */
		0x0198: 1, /* IMCONJUGATE */
		0x0199: 1, /* IMAGINARY */
		0x019A: 1, /* IMREAL */
		0x019E: 4, /* SERIESSUM */
		0x019F: 1, /* FACTDOUBLE */
		0x01A0: 1, /* SQRTPI */
		0x01A1: 2, /* QUOTIENT */
		0x01A4: 1, /* ISEVEN */
		0x01A5: 1, /* ISODD */
		0x01A6: 2, /* MROUND */
		0x01A8: 1, /* ERFC */
		0x01A9: 2, /* BESSELJ */
		0x01AA: 2, /* BESSELK */
		0x01AB: 2, /* BESSELY */
		0x01AC: 2, /* BESSELI */
		0x01AE: 3, /* XNPV */
		0x01B6: 3, /* TBILLEQ */
		0x01B7: 3, /* TBILLPRICE */
		0x01B8: 3, /* TBILLYIELD */
		0x01BB: 2, /* DOLLARDE */
		0x01BC: 2, /* DOLLARFR */
		0x01BD: 2, /* NOMINAL */
		0x01BE: 2, /* EFFECT */
		0x01BF: 6, /* CUMPRINC */
		0x01C0: 6, /* CUMIPMT */
		0x01C1: 2, /* EDATE */
		0x01C2: 2, /* EOMONTH */
		0x01D0: 2, /* RANDBETWEEN */
		0x01D4: 3, /* CONVERT */
		0x01DC: 2, /* FVSCHEDULE */
		0x01DF: 1, /* CUBESETCOUNT */
		0x01E0: 2, /* IFERROR */
		0xFFFF: 0
	};
	/* [MS-XLSX] 2.2.3 Functions */
	/* [MS-XLSB] 2.5.97.10 Ftab */
	var XLSXFutureFunctions = {
		"_xlfn.ACOT": "ACOT",
		"_xlfn.ACOTH": "ACOTH",
		"_xlfn.AGGREGATE": "AGGREGATE",
		"_xlfn.ARABIC": "ARABIC",
		"_xlfn.AVERAGEIF": "AVERAGEIF",
		"_xlfn.AVERAGEIFS": "AVERAGEIFS",
		"_xlfn.BASE": "BASE",
		"_xlfn.BETA.DIST": "BETA.DIST",
		"_xlfn.BETA.INV": "BETA.INV",
		"_xlfn.BINOM.DIST": "BINOM.DIST",
		"_xlfn.BINOM.DIST.RANGE": "BINOM.DIST.RANGE",
		"_xlfn.BINOM.INV": "BINOM.INV",
		"_xlfn.BITAND": "BITAND",
		"_xlfn.BITLSHIFT": "BITLSHIFT",
		"_xlfn.BITOR": "BITOR",
		"_xlfn.BITRSHIFT": "BITRSHIFT",
		"_xlfn.BITXOR": "BITXOR",
		"_xlfn.CEILING.MATH": "CEILING.MATH",
		"_xlfn.CEILING.PRECISE": "CEILING.PRECISE",
		"_xlfn.CHISQ.DIST": "CHISQ.DIST",
		"_xlfn.CHISQ.DIST.RT": "CHISQ.DIST.RT",
		"_xlfn.CHISQ.INV": "CHISQ.INV",
		"_xlfn.CHISQ.INV.RT": "CHISQ.INV.RT",
		"_xlfn.CHISQ.TEST": "CHISQ.TEST",
		"_xlfn.COMBINA": "COMBINA",
		"_xlfn.CONCAT": "CONCAT",
		"_xlfn.CONFIDENCE.NORM": "CONFIDENCE.NORM",
		"_xlfn.CONFIDENCE.T": "CONFIDENCE.T",
		"_xlfn.COT": "COT",
		"_xlfn.COTH": "COTH",
		"_xlfn.COUNTIFS": "COUNTIFS",
		"_xlfn.COVARIANCE.P": "COVARIANCE.P",
		"_xlfn.COVARIANCE.S": "COVARIANCE.S",
		"_xlfn.CSC": "CSC",
		"_xlfn.CSCH": "CSCH",
		"_xlfn.DAYS": "DAYS",
		"_xlfn.DECIMAL": "DECIMAL",
		"_xlfn.ECMA.CEILING": "ECMA.CEILING",
		"_xlfn.ERF.PRECISE": "ERF.PRECISE",
		"_xlfn.ERFC.PRECISE": "ERFC.PRECISE",
		"_xlfn.EXPON.DIST": "EXPON.DIST",
		"_xlfn.F.DIST": "F.DIST",
		"_xlfn.F.DIST.RT": "F.DIST.RT",
		"_xlfn.F.INV": "F.INV",
		"_xlfn.F.INV.RT": "F.INV.RT",
		"_xlfn.F.TEST": "F.TEST",
		"_xlfn.FILTERXML": "FILTERXML",
		"_xlfn.FLOOR.MATH": "FLOOR.MATH",
		"_xlfn.FLOOR.PRECISE": "FLOOR.PRECISE",
		"_xlfn.FORECAST.ETS": "FORECAST.ETS",
		"_xlfn.FORECAST.ETS.CONFINT": "FORECAST.ETS.CONFINT",
		"_xlfn.FORECAST.ETS.SEASONALITY": "FORECAST.ETS.SEASONALITY",
		"_xlfn.FORECAST.ETS.STAT": "FORECAST.ETS.STAT",
		"_xlfn.FORECAST.LINEAR": "FORECAST.LINEAR",
		"_xlfn.FORMULATEXT": "FORMULATEXT",
		"_xlfn.GAMMA": "GAMMA",
		"_xlfn.GAMMA.DIST": "GAMMA.DIST",
		"_xlfn.GAMMA.INV": "GAMMA.INV",
		"_xlfn.GAMMALN.PRECISE": "GAMMALN.PRECISE",
		"_xlfn.GAUSS": "GAUSS",
		"_xlfn.HYPGEOM.DIST": "HYPGEOM.DIST",
		"_xlfn.IFERROR": "IFERROR",
		"_xlfn.IFNA": "IFNA",
		"_xlfn.IFS": "IFS",
		"_xlfn.IMCOSH": "IMCOSH",
		"_xlfn.IMCOT": "IMCOT",
		"_xlfn.IMCSC": "IMCSC",
		"_xlfn.IMCSCH": "IMCSCH",
		"_xlfn.IMSEC": "IMSEC",
		"_xlfn.IMSECH": "IMSECH",
		"_xlfn.IMSINH": "IMSINH",
		"_xlfn.IMTAN": "IMTAN",
		"_xlfn.ISFORMULA": "ISFORMULA",
		"_xlfn.ISO.CEILING": "ISO.CEILING",
		"_xlfn.ISOWEEKNUM": "ISOWEEKNUM",
		"_xlfn.LOGNORM.DIST": "LOGNORM.DIST",
		"_xlfn.LOGNORM.INV": "LOGNORM.INV",
		"_xlfn.MAXIFS": "MAXIFS",
		"_xlfn.MINIFS": "MINIFS",
		"_xlfn.MODE.MULT": "MODE.MULT",
		"_xlfn.MODE.SNGL": "MODE.SNGL",
		"_xlfn.MUNIT": "MUNIT",
		"_xlfn.NEGBINOM.DIST": "NEGBINOM.DIST",
		"_xlfn.NETWORKDAYS.INTL": "NETWORKDAYS.INTL",
		"_xlfn.NIGBINOM": "NIGBINOM",
		"_xlfn.NORM.DIST": "NORM.DIST",
		"_xlfn.NORM.INV": "NORM.INV",
		"_xlfn.NORM.S.DIST": "NORM.S.DIST",
		"_xlfn.NORM.S.INV": "NORM.S.INV",
		"_xlfn.NUMBERVALUE": "NUMBERVALUE",
		"_xlfn.PDURATION": "PDURATION",
		"_xlfn.PERCENTILE.EXC": "PERCENTILE.EXC",
		"_xlfn.PERCENTILE.INC": "PERCENTILE.INC",
		"_xlfn.PERCENTRANK.EXC": "PERCENTRANK.EXC",
		"_xlfn.PERCENTRANK.INC": "PERCENTRANK.INC",
		"_xlfn.PERMUTATIONA": "PERMUTATIONA",
		"_xlfn.PHI": "PHI",
		"_xlfn.POISSON.DIST": "POISSON.DIST",
		"_xlfn.QUARTILE.EXC": "QUARTILE.EXC",
		"_xlfn.QUARTILE.INC": "QUARTILE.INC",
		"_xlfn.QUERYSTRING": "QUERYSTRING",
		"_xlfn.RANK.AVG": "RANK.AVG",
		"_xlfn.RANK.EQ": "RANK.EQ",
		"_xlfn.RRI": "RRI",
		"_xlfn.SEC": "SEC",
		"_xlfn.SECH": "SECH",
		"_xlfn.SHEET": "SHEET",
		"_xlfn.SHEETS": "SHEETS",
		"_xlfn.SKEW.P": "SKEW.P",
		"_xlfn.STDEV.P": "STDEV.P",
		"_xlfn.STDEV.S": "STDEV.S",
		"_xlfn.SUMIFS": "SUMIFS",
		"_xlfn.SWITCH": "SWITCH",
		"_xlfn.T.DIST": "T.DIST",
		"_xlfn.T.DIST.2T": "T.DIST.2T",
		"_xlfn.T.DIST.RT": "T.DIST.RT",
		"_xlfn.T.INV": "T.INV",
		"_xlfn.T.INV.2T": "T.INV.2T",
		"_xlfn.T.TEST": "T.TEST",
		"_xlfn.TEXTJOIN": "TEXTJOIN",
		"_xlfn.UNICHAR": "UNICHAR",
		"_xlfn.UNICODE": "UNICODE",
		"_xlfn.VAR.P": "VAR.P",
		"_xlfn.VAR.S": "VAR.S",
		"_xlfn.WEBSERVICE": "WEBSERVICE",
		"_xlfn.WEIBULL.DIST": "WEIBULL.DIST",
		"_xlfn.WORKDAY.INTL": "WORKDAY.INTL",
		"_xlfn.XOR": "XOR",
		"_xlfn.Z.TEST": "Z.TEST"
	};

	/* Part 3 TODO: actually parse formulae */
	function ods_to_csf_formula(f) {
		if (f.slice(0, 3) == "of:") f = f.slice(3);
		/* 5.2 Basic Expressions */
		if (f.charCodeAt(0) == 61) {
			f = f.slice(1);
			if (f.charCodeAt(0) == 61) f = f.slice(1);
		}
		f = f.replace(/COM\.MICROSOFT\./g, "");
		/* Part 3 Section 5.8 References */
		f = f.replace(/\[((?:\.[A-Z]+[0-9]+)(?::\.[A-Z]+[0-9]+)?)\]/g, function ($$, $1) { return $1.replace(/\./g, ""); });
		/* TODO: something other than this */
		f = f.replace(/\[.(#[A-Z]*[?!])\]/g, "$1");
		return f.replace(/[;~]/g, ",").replace(/\|/g, ";");
	}

	function csf_to_ods_formula(f) {
		var o = "of:=" + f.replace(crefregex, "$1[.$2$3$4$5]").replace(/\]:\[/g, ":");
		/* TODO: something other than this */
		return o.replace(/;/g, "|").replace(/,/g, ";");
	}

	function ods_to_csf_3D(r) {
		var a = r.split(":");
		var s = a[0].split(".")[0];
		return [s, a[0].split(".")[1] + (a.length > 1 ? (":" + (a[1].split(".")[1] || a[1].split(".")[0])) : "")];
	}

	function csf_to_ods_3D(r) {
		return r.replace(/\./, "!");
	}

	var strs = {}; // shared strings
	var _ssfopts = {}; // spreadsheet formatting options

	RELS.WS = [
		"http://schemas.openxmlformats.org/officeDocument/2006/relationships/worksheet",
		"http://purl.oclc.org/ooxml/officeDocument/relationships/worksheet"
	];

	/*global Map */
	var browser_has_Map = typeof Map !== 'undefined';

	function get_sst_id(sst, str, rev) {
		var i = 0, len = sst.length;
		if (rev) {
			if (browser_has_Map ? rev.has(str) : rev.hasOwnProperty(str)) {
				var revarr = browser_has_Map ? rev.get(str) : rev[str];
				for (; i < revarr.length; ++i) {
					if (sst[revarr[i]].t === str) { sst.Count++; return revarr[i]; }
				}
			}
		} else for (; i < len; ++i) {
			if (sst[i].t === str) { sst.Count++; return i; }
		}
		sst[len] = ({ t: str }); sst.Count++; sst.Unique++;
		if (rev) {
			if (browser_has_Map) {
				if (!rev.has(str)) rev.set(str, []);
				rev.get(str).push(len);
			} else {
				if (!rev.hasOwnProperty(str)) rev[str] = [];
				rev[str].push(len);
			}
		}
		return len;
	}

	function col_obj_w(C, col) {
		var p = ({ min: C + 1, max: C + 1 });
		/* wch (chars), wpx (pixels) */
		var wch = -1;
		if (col.MDW) MDW = col.MDW;
		if (col.width != null) p.customWidth = 1;
		else if (col.wpx != null) wch = px2char(col.wpx);
		else if (col.wch != null) wch = col.wch;
		if (wch > -1) { p.width = char2width(wch); p.customWidth = 1; }
		else if (col.width != null) p.width = col.width;
		if (col.hidden) p.hidden = true;
		return p;
	}

	function default_margins(margins, mode) {
		if (!margins) return;
		var defs = [0.7, 0.7, 0.75, 0.75, 0.3, 0.3];
		if (mode == 'xlml') defs = [1, 1, 1, 1, 0.5, 0.5];
		if (margins.left == null) margins.left = defs[0];
		if (margins.right == null) margins.right = defs[1];
		if (margins.top == null) margins.top = defs[2];
		if (margins.bottom == null) margins.bottom = defs[3];
		if (margins.header == null) margins.header = defs[4];
		if (margins.footer == null) margins.footer = defs[5];
	}

	function get_cell_style(styles, cell, opts) {
		if (typeof style_builder != 'undefined') {
			if (/^\d+$/.exec(cell.s)) { return cell.s }  // if its already an integer index, let it be
			if (cell.s && (cell.s == +cell.s)) { return cell.s }  // if its already an integer index, let it be
			var s = cell.s || {};
			if (cell.z) s.numFmt = cell.z;
			return style_builder.addStyle(s);
		} else {
			var z = opts.revssf[cell.z != null ? cell.z : "General"];
			var i = 0x3c, len = styles.length;
			if (z == null && opts.ssf) {
				for (; i < 0x188; ++i) if (opts.ssf[i] == null) {
					SSF.load(cell.z, i);
					// $FlowIgnore
					opts.ssf[i] = cell.z;
					opts.revssf[cell.z] = z = i;
					break;
				}
			}
			for (i = 0; i != len; ++i) if (styles[i].numFmtId === z) return i;
			styles[len] = {
				numFmtId: z,
				fontId: 0,
				fillId: 0,
				borderId: 0,
				xfId: 0,
				applyNumberFormat: 1
			};
			return len;
		}
	}

	function safe_format(p, fmtid, fillid, opts, themes, styles) {
		try {
			if (opts.cellNF) p.z = SSF._table[fmtid];
		} catch (e) { if (opts.WTF) throw e; }
		if (p.t === 'z') return;
		if (p.t === 'd' && typeof p.v === 'string') p.v = parseDate(p.v);
		if (!opts || opts.cellText !== false) try {
			if (SSF._table[fmtid] == null) SSF.load(SSFImplicit[fmtid] || "General", fmtid);
			if (p.t === 'e') p.w = p.w || BErr[p.v];
			else if (fmtid === 0) {
				if (p.t === 'n') {
					if ((p.v | 0) === p.v) p.w = SSF._general_int(p.v);
					else p.w = SSF._general_num(p.v);
				}
				else if (p.t === 'd') {
					var dd = datenum(p.v);
					if ((dd | 0) === dd) p.w = SSF._general_int(dd);
					else p.w = SSF._general_num(dd);
				}
				else if (p.v === undefined) return "";
				else p.w = SSF._general(p.v, _ssfopts);
			}
			else if (p.t === 'd') p.w = SSF.format(fmtid, datenum(p.v), _ssfopts);
			else p.w = SSF.format(fmtid, p.v, _ssfopts);
		} catch (e) { if (opts.WTF) throw e; }
		if (!opts.cellStyles) return;
		if (fillid != null) try {
			p.s = styles.Fills[fillid];
			if (p.s.fgColor && p.s.fgColor.theme && !p.s.fgColor.rgb) {
				p.s.fgColor.rgb = rgb_tint(themes.themeElements.clrScheme[p.s.fgColor.theme].rgb, p.s.fgColor.tint || 0);
				if (opts.WTF) p.s.fgColor.raw_rgb = themes.themeElements.clrScheme[p.s.fgColor.theme].rgb;
			}
			if (p.s.bgColor && p.s.bgColor.theme) {
				p.s.bgColor.rgb = rgb_tint(themes.themeElements.clrScheme[p.s.bgColor.theme].rgb, p.s.bgColor.tint || 0);
				if (opts.WTF) p.s.bgColor.raw_rgb = themes.themeElements.clrScheme[p.s.bgColor.theme].rgb;
			}
		} catch (e) { if (opts.WTF && styles.Fills) throw e; }
	}

	function check_ws(ws, sname, i) {
		if (ws && ws['!ref']) {
			var range = safe_decode_range(ws['!ref']);
			if (range.e.c < range.s.c || range.e.r < range.s.r) throw new Error("Bad range (" + i + "): " + ws['!ref']);
		}
	}
	function parse_ws_xml_dim(ws, s) {
		var d = safe_decode_range(s);
		if (d.s.r <= d.e.r && d.s.c <= d.e.c && d.s.r >= 0 && d.s.c >= 0) ws["!ref"] = encode_range(d);
	}
	var mergecregex = /<(?:\w:)?mergeCell ref="[A-Z0-9:]+"\s*[\/]?>/g;
	var sheetdataregex = /<(?:\w+:)?sheetData[^>]*>([\s\S]*)<\/(?:\w+:)?sheetData>/;
	var hlinkregex = /<(?:\w:)?hyperlink [^>]*>/mg;
	var dimregex = /"(\w*:\w*)"/;
	var colregex = /<(?:\w:)?col\b[^>]*[\/]?>/g;
	var afregex = /<(?:\w:)?autoFilter[^>]*([\/]|>([\s\S]*)<\/(?:\w:)?autoFilter)>/g;
	var marginregex = /<(?:\w:)?pageMargins[^>]*\/>/g;
	var sheetprregex = /<(?:\w:)?sheetPr\b(?:[^>a-z][^>]*)?\/>/;
	var svsregex = /<(?:\w:)?sheetViews[^>]*(?:[\/]|>([\s\S]*)<\/(?:\w:)?sheetViews)>/;

	/* 18.3 Worksheets */
	function parse_ws_xml(data, opts, idx, rels, wb, themes, styles) {
		if (!data) return data;
		if (!rels) rels = { '!id': {} };
		if (DENSE != null && opts.dense == null) opts.dense = DENSE;

		/* 18.3.1.99 worksheet CT_Worksheet */
		var s = opts.dense ? ([]) : ({});
		var refguess = ({ s: { r: 2000000, c: 2000000 }, e: { r: 0, c: 0 } });

		var data1 = "", data2 = "";
		var mtch = data.match(sheetdataregex);
		if (mtch) {
			data1 = data.slice(0, mtch.index);
			data2 = data.slice(mtch.index + mtch[0].length);
		} else data1 = data2 = data;

		/* 18.3.1.82 sheetPr CT_SheetPr */
		var sheetPr = data1.match(sheetprregex);
		if (sheetPr) parse_ws_xml_sheetpr(sheetPr[0], s, wb, idx);

		/* 18.3.1.35 dimension CT_SheetDimension */
		var ridx = (data1.match(/<(?:\w*:)?dimension/) || { index: -1 }).index;
		if (ridx > 0) {
			var ref = data1.slice(ridx, ridx + 50).match(dimregex);
			if (ref) parse_ws_xml_dim(s, ref[1]);
		}

		/* 18.3.1.88 sheetViews CT_SheetViews */
		var svs = data1.match(svsregex);
		if (svs && svs[1]) parse_ws_xml_sheetviews(svs[1], wb);

		/* 18.3.1.17 cols CT_Cols */
		var columns = [];
		if (opts.cellStyles) {
			/* 18.3.1.13 col CT_Col */
			var cols = data1.match(colregex);
			if (cols) parse_ws_xml_cols(columns, cols);
		}

		/* 18.3.1.80 sheetData CT_SheetData ? */
		if (mtch) parse_ws_xml_data(mtch[1], s, opts, refguess, themes, styles);

		/* 18.3.1.2  autoFilter CT_AutoFilter */
		var afilter = data2.match(afregex);
		if (afilter) s['!autofilter'] = parse_ws_xml_autofilter(afilter[0]);

		/* 18.3.1.55 mergeCells CT_MergeCells */
		var merges = [];
		var _merge = data2.match(mergecregex);
		if (_merge) for (ridx = 0; ridx != _merge.length; ++ridx)
			merges[ridx] = safe_decode_range(_merge[ridx].slice(_merge[ridx].indexOf("\"") + 1));

		/* 18.3.1.48 hyperlinks CT_Hyperlinks */
		var hlink = data2.match(hlinkregex);
		if (hlink) parse_ws_xml_hlinks(s, hlink, rels);

		/* 18.3.1.62 pageMargins CT_PageMargins */
		var margins = data2.match(marginregex);
		if (margins) s['!margins'] = parse_ws_xml_margins(parsexmltag(margins[0]));

		if (!s["!ref"] && refguess.e.c >= refguess.s.c && refguess.e.r >= refguess.s.r) s["!ref"] = encode_range(refguess);
		if (opts.sheetRows > 0 && s["!ref"]) {
			var tmpref = safe_decode_range(s["!ref"]);
			if (opts.sheetRows <= +tmpref.e.r) {
				tmpref.e.r = opts.sheetRows - 1;
				if (tmpref.e.r > refguess.e.r) tmpref.e.r = refguess.e.r;
				if (tmpref.e.r < tmpref.s.r) tmpref.s.r = tmpref.e.r;
				if (tmpref.e.c > refguess.e.c) tmpref.e.c = refguess.e.c;
				if (tmpref.e.c < tmpref.s.c) tmpref.s.c = tmpref.e.c;
				s["!fullref"] = s["!ref"];
				s["!ref"] = encode_range(tmpref);
			}
		}
		if (columns.length > 0) s["!cols"] = columns;
		if (merges.length > 0) s["!merges"] = merges;
		return s;
	}

	function write_ws_xml_merges(merges) {
		if (merges.length === 0) return "";
		var o = '<mergeCells count="' + merges.length + '">';
		for (var i = 0; i != merges.length; ++i) o += '<mergeCell ref="' + encode_range(merges[i]) + '"/>';
		return o + '</mergeCells>';
	}

	/* 18.3.1.82-3 sheetPr CT_ChartsheetPr / CT_SheetPr */
	function parse_ws_xml_sheetpr(sheetPr, s, wb, idx) {
		var data = parsexmltag(sheetPr);
		if (!wb.Sheets[idx]) wb.Sheets[idx] = {};
		if (data.codeName) wb.Sheets[idx].CodeName = data.codeName;
	}
	function write_ws_xml_sheetpr(ws, wb, idx, opts, o) {
		var needed = false;
		var props = {}, payload = null;
		if (opts.bookType !== 'xlsx' && wb.vbaraw) {
			var cname = wb.SheetNames[idx];
			try { if (wb.Workbook) cname = wb.Workbook.Sheets[idx].CodeName || cname; } catch (e) { }
			needed = true;
			props.codeName = escapexml(cname);
		}

		if (!needed && !payload) return;
		o[o.length] = (writextag('sheetPr', payload, props));
	}

	/* 18.3.1.85 sheetProtection CT_SheetProtection */
	var sheetprot_deffalse = ["objects", "scenarios", "selectLockedCells", "selectUnlockedCells"];
	var sheetprot_deftrue = [
		"formatColumns", "formatRows", "formatCells",
		"insertColumns", "insertRows", "insertHyperlinks",
		"deleteColumns", "deleteRows",
		"sort", "autoFilter", "pivotTables"
	];
	function write_ws_xml_protection(sp) {
		// algorithmName, hashValue, saltValue, spinCountpassword
		var o = ({ sheet: 1 });
		sheetprot_deffalse.forEach(function (n) { if (sp[n] != null && sp[n]) o[n] = "1"; });
		sheetprot_deftrue.forEach(function (n) { if (sp[n] != null && !sp[n]) o[n] = "0"; });
		/* TODO: algorithm */
		if (sp.password) o.password = crypto_CreatePasswordVerifier_Method1(sp.password).toString(16).toUpperCase();
		return writextag('sheetProtection', null, o);
	}

	function parse_ws_xml_hlinks(s, data, rels) {
		var dense = Array.isArray(s);
		for (var i = 0; i != data.length; ++i) {
			var val = parsexmltag(utf8read(data[i]), true);
			if (!val.ref) return;
			var rel = ((rels || {})['!id'] || [])[val.id];
			if (rel) {
				val.Target = rel.Target;
				if (val.location) val.Target += "#" + val.location;
			} else {
				val.Target = "#" + val.location;
				rel = { Target: val.Target, TargetMode: 'Internal' };
			}
			val.Rel = rel;
			if (val.tooltip) { val.Tooltip = val.tooltip; delete val.tooltip; }
			var rng = safe_decode_range(val.ref);
			for (var R = rng.s.r; R <= rng.e.r; ++R) for (var C = rng.s.c; C <= rng.e.c; ++C) {
				var addr = encode_cell({ c: C, r: R });
				if (dense) {
					if (!s[R]) s[R] = [];
					if (!s[R][C]) s[R][C] = { t: "z", v: undefined };
					s[R][C].l = val;
				} else {
					if (!s[addr]) s[addr] = { t: "z", v: undefined };
					s[addr].l = val;
				}
			}
		}
	}

	function parse_ws_xml_margins(margin) {
		var o = {};
		["left", "right", "top", "bottom", "header", "footer"].forEach(function (k) {
			if (margin[k]) o[k] = parseFloat(margin[k]);
		});
		return o;
	}
	function write_ws_xml_margins(margin) {
		default_margins(margin);
		return writextag('pageMargins', null, margin);
	}

	function parse_ws_xml_cols(columns, cols) {
		var seencol = false;
		for (var coli = 0; coli != cols.length; ++coli) {
			var coll = parsexmltag(cols[coli], true);
			if (coll.hidden) coll.hidden = parsexmlbool(coll.hidden);
			var colm = parseInt(coll.min, 10) - 1, colM = parseInt(coll.max, 10) - 1;
			delete coll.min; delete coll.max; coll.width = +coll.width;
			if (!seencol && coll.width) { seencol = true; find_mdw_colw(coll.width); }
			process_col(coll);
			while (colm <= colM) columns[colm++] = dup(coll);
		}
	}
	function write_ws_xml_cols(ws, cols) {
		var o = ["<cols>"], col;
		for (var i = 0; i != cols.length; ++i) {
			if (!(col = cols[i])) continue;
			o[o.length] = (writextag('col', null, col_obj_w(i, col)));
		}
		o[o.length] = "</cols>";
		return o.join("");
	}

	function parse_ws_xml_autofilter(data) {
		var o = { ref: (data.match(/ref="([^"]*)"/) || [])[1] };
		return o;
	}
	function write_ws_xml_autofilter(data, ws, wb, idx) {
		var ref = typeof data.ref == "string" ? data.ref : encode_range(data.ref);
		if (!wb.Workbook) wb.Workbook = ({ Sheets: [] });
		if (!wb.Workbook.Names) wb.Workbook.Names = [];
		var names = wb.Workbook.Names;
		var range = decode_range(ref);
		if (range.s.r == range.e.r) { range.e.r = decode_range(ws["!ref"]).e.r; ref = encode_range(range); }
		for (var i = 0; i < names.length; ++i) {
			var name = names[i];
			if (name.Name != '_xlnm._FilterDatabase') continue;
			if (name.Sheet != idx) continue;
			name.Ref = "'" + wb.SheetNames[idx] + "'!" + ref; break;
		}
		if (i == names.length) names.push({ Name: '_xlnm._FilterDatabase', Sheet: idx, Ref: "'" + wb.SheetNames[idx] + "'!" + ref });
		return writextag("autoFilter", null, { ref: ref });
	}

	/* 18.3.1.88 sheetViews CT_SheetViews */
	/* 18.3.1.87 sheetView CT_SheetView */
	var sviewregex = /<(?:\w:)?sheetView(?:[^>a-z][^>]*)?\/?>/;
	function parse_ws_xml_sheetviews(data, wb) {
		if (!wb.Views) wb.Views = [{}];
		(data.match(sviewregex) || []).forEach(function (r, i) {
			var tag = parsexmltag(r);
			// $FlowIgnore
			if (!wb.Views[i]) wb.Views[i] = {};
			// $FlowIgnore
			if (parsexmlbool(tag.rightToLeft)) wb.Views[i].RTL = true;
		});
	}
	function write_ws_xml_sheetviews(ws, opts, idx, wb) {
		var sview = ({ workbookViewId: "0" });
		// $FlowIgnore
		if ((((wb || {}).Workbook || {}).Views || [])[0]) sview.rightToLeft = wb.Workbook.Views[0].RTL ? "1" : "0";
		return writextag("sheetViews", writextag("sheetView", null, sview), {});
	}

	function write_ws_xml_cell(cell, ref, ws, opts) {
		if (cell.v === undefined && cell.f === undefined || cell.t === 'z') return "";
		var vv = "";
		var oldt = cell.t, oldv = cell.v;
		if (cell.t !== "z") switch (cell.t) {
			case 'b': vv = cell.v ? "1" : "0"; break;
			case 'n': vv = '' + cell.v; break;
			case 'e': vv = BErr[cell.v]; break;
			case 'd':
				if (opts && opts.cellDates) vv = parseDate(cell.v, -1).toISOString();
				else {
					cell = dup(cell);
					cell.t = 'n';
					vv = '' + (cell.v = datenum(parseDate(cell.v)));
				}
				if (typeof cell.z === 'undefined') cell.z = SSF._table[14];
				break;
			default: vv = cell.v; break;
		}
		var v = writetag('v', escapexml(vv)), o = ({ r: ref });
		/* TODO: cell style */
		var os = get_cell_style(opts.cellXfs, cell, opts);
		if (os !== 0) o.s = os;
		switch (cell.t) {
			case 'n': break;
			case 'd': o.t = "d"; break;
			case 'b': o.t = "b"; break;
			case 'e': o.t = "e"; break;
			case 'z': break;
			default: if (cell.v == null) { delete cell.t; break; }
				if (opts && opts.bookSST) {
					v = writetag('v', '' + get_sst_id(opts.Strings, cell.v, opts.revStrings));
					o.t = "s"; break;
				}
				o.t = "str"; break;
		}
		if (cell.t != oldt) { cell.t = oldt; cell.v = oldv; }
		if (cell.f) {
			var ff = cell.F && cell.F.slice(0, ref.length) == ref ? { t: "array", ref: cell.F } : null;
			v = writextag('f', escapexml(cell.f), ff) + (cell.v != null ? v : "");
		}
		if (cell.l) ws['!links'].push([ref, cell.l]);
		if (cell.c) ws['!comments'].push([ref, cell.c]);
		return writextag('c', v, o);
	}

	var parse_ws_xml_data = (function () {
		var cellregex = /<(?:\w+:)?c[ >]/, rowregex = /<\/(?:\w+:)?row>/;
		var rregex = /r=["']([^"']*)["']/, isregex = /<(?:\w+:)?is>([\S\s]*?)<\/(?:\w+:)?is>/;
		var refregex = /ref=["']([^"']*)["']/;
		var match_v = matchtag("v"), match_f = matchtag("f");

		return function parse_ws_xml_data(sdata, s, opts, guess, themes, styles) {
			var ri = 0, x = "", cells = [], cref = [], idx = 0, i = 0, cc = 0, d = "", p;
			var tag, tagr = 0, tagc = 0;
			var sstr, ftag;
			var fmtid = 0, fillid = 0;
			var do_format = Array.isArray(styles.CellXf), cf;
			var arrayf = [];
			var sharedf = [];
			var dense = Array.isArray(s);
			var rows = [], rowobj = {}, rowrite = false;
			for (var marr = sdata.split(rowregex), mt = 0, marrlen = marr.length; mt != marrlen; ++mt) {
				x = marr[mt].trim();
				var xlen = x.length;
				if (xlen === 0) continue;

				/* 18.3.1.73 row CT_Row */
				for (ri = 0; ri < xlen; ++ri) if (x.charCodeAt(ri) === 62) break; ++ri;
				tag = parsexmltag(x.slice(0, ri), true);
				tagr = tag.r != null ? parseInt(tag.r, 10) : tagr + 1; tagc = -1;
				if (opts.sheetRows && opts.sheetRows < tagr) continue;
				if (guess.s.r > tagr - 1) guess.s.r = tagr - 1;
				if (guess.e.r < tagr - 1) guess.e.r = tagr - 1;

				if (opts && opts.cellStyles) {
					rowobj = {}; rowrite = false;
					if (tag.ht) { rowrite = true; rowobj.hpt = parseFloat(tag.ht); rowobj.hpx = pt2px(rowobj.hpt); }
					if (tag.hidden == "1") { rowrite = true; rowobj.hidden = true; }
					if (tag.outlineLevel != null) { rowrite = true; rowobj.level = +tag.outlineLevel; }
					if (rowrite) rows[tagr - 1] = rowobj;
				}

				/* 18.3.1.4 c CT_Cell */
				cells = x.slice(ri).split(cellregex);
				for (var rslice = 0; rslice != cells.length; ++rslice) if (cells[rslice].trim().charAt(0) != "<") break;
				cells = cells.slice(rslice);
				for (ri = 0; ri != cells.length; ++ri) {
					x = cells[ri].trim();
					if (x.length === 0) continue;
					cref = x.match(rregex); idx = ri; i = 0; cc = 0;
					x = "<c " + (x.slice(0, 1) == "<" ? ">" : "") + x;
					if (cref != null && cref.length === 2) {
						idx = 0; d = cref[1];
						for (i = 0; i != d.length; ++i) {
							if ((cc = d.charCodeAt(i) - 64) < 1 || cc > 26) break;
							idx = 26 * idx + cc;
						}
						--idx;
						tagc = idx;
					} else ++tagc;
					for (i = 0; i != x.length; ++i) if (x.charCodeAt(i) === 62) break; ++i;
					tag = parsexmltag(x.slice(0, i), true);
					if (!tag.r) tag.r = encode_cell({ r: tagr - 1, c: tagc });
					d = x.slice(i);
					p = ({ t: "" });

					if ((cref = d.match(match_v)) != null && cref[1] !== '') p.v = unescapexml(cref[1]);
					if (opts.cellFormula) {
						if ((cref = d.match(match_f)) != null && cref[1] !== '') {
							/* TODO: match against XLSXFutureFunctions */
							p.f = _xlfn(unescapexml(utf8read(cref[1])));
							if (cref[0].indexOf('t="array"') > -1) {
								p.F = (d.match(refregex) || [])[1];
								if (p.F.indexOf(":") > -1) arrayf.push([safe_decode_range(p.F), p.F]);
							} else if (cref[0].indexOf('t="shared"') > -1) {
								// TODO: parse formula
								ftag = parsexmltag(cref[0]);
								sharedf[parseInt(ftag.si, 10)] = [ftag, _xlfn(unescapexml(utf8read(cref[1]))), tag.r];
							}
						} else if ((cref = d.match(/<f[^>]*\/>/))) {
							ftag = parsexmltag(cref[0]);
							if (sharedf[ftag.si]) p.f = shift_formula_xlsx(sharedf[ftag.si][1], sharedf[ftag.si][2]/*[0].ref*/, tag.r);
						}
						/* TODO: factor out contains logic */
						var _tag = decode_cell(tag.r);
						for (i = 0; i < arrayf.length; ++i)
							if (_tag.r >= arrayf[i][0].s.r && _tag.r <= arrayf[i][0].e.r)
								if (_tag.c >= arrayf[i][0].s.c && _tag.c <= arrayf[i][0].e.c)
									p.F = arrayf[i][1];
					}

					if (tag.t == null && p.v === undefined) {
						if (p.f || p.F) {
							p.v = 0; p.t = "n";
						} else if (!opts.sheetStubs) continue;
						else p.t = "z";
					}
					else p.t = tag.t || "n";
					if (guess.s.c > tagc) guess.s.c = tagc;
					if (guess.e.c < tagc) guess.e.c = tagc;
					/* 18.18.11 t ST_CellType */
					switch (p.t) {
						case 'n':
							if (p.v == "" || p.v == null) {
								if (!opts.sheetStubs) continue;
								p.t = 'z';
							} else p.v = parseFloat(p.v);
							break;
						case 's':
							if (typeof p.v == 'undefined') {
								if (!opts.sheetStubs) continue;
								p.t = 'z';
							} else {
								sstr = strs[parseInt(p.v, 10)];
								p.v = sstr.t;
								p.r = sstr.r;
								if (opts.cellHTML) p.h = sstr.h;
							}
							break;
						case 'str':
							p.t = "s";
							p.v = (p.v != null) ? utf8read(p.v) : '';
							if (opts.cellHTML) p.h = escapehtml(p.v);
							break;
						case 'inlineStr':
							cref = d.match(isregex);
							p.t = 's';
							if (cref != null && (sstr = parse_si(cref[1]))) {
								p.v = sstr.t;
								if (opts.cellHTML) p.h = sstr.h;
							} else p.v = "";
							break;
						case 'b': p.v = parsexmlbool(p.v); break;
						case 'd':
							if (opts.cellDates) p.v = parseDate(p.v, 1);
							else { p.v = datenum(parseDate(p.v, 1)); p.t = 'n'; }
							break;
						/* error string in .w, number in .v */
						case 'e':
							if (!opts || opts.cellText !== false) p.w = p.v;
							p.v = RBErr[p.v]; break;
					}
					/* formatting */
					fmtid = fillid = 0;
					cf = null;
					if (do_format && tag.s !== undefined) {
						cf = styles.CellXf[tag.s];
						if (cf != null) {
							if (cf.numFmtId != null) fmtid = cf.numFmtId;
							if (opts.cellStyles) {
								if (cf.fillId != null) fillid = cf.fillId;
							}
						}
					}
					safe_format(p, fmtid, fillid, opts, themes, styles);
					if (opts.cellDates && do_format && p.t == 'n' && SSF.is_date(SSF._table[fmtid])) { p.t = 'd'; p.v = numdate(p.v); }
					if (dense) {
						var _r = decode_cell(tag.r);
						if (!s[_r.r]) s[_r.r] = [];
						s[_r.r][_r.c] = p;
					} else s[tag.r] = p;
				}
			}
			if (rows.length > 0) s['!rows'] = rows;
		};
	})();

	function write_ws_xml_data(ws, opts, idx, wb) {
		var o = [], r = [], range = safe_decode_range(ws['!ref']), cell = "", ref, rr = "", cols = [], R = 0, C = 0, rows = ws['!rows'];
		var dense = Array.isArray(ws);
		var params = ({ r: rr }), row, height = -1;
		for (C = range.s.c; C <= range.e.c; ++C) cols[C] = encode_col(C);
		for (R = range.s.r; R <= range.e.r; ++R) {
			r = [];
			rr = encode_row(R);
			for (C = range.s.c; C <= range.e.c; ++C) {
				ref = cols[C] + rr;
				var _cell = dense ? (ws[R] || [])[C] : ws[ref];
				if (_cell === undefined) continue;
				if ((cell = write_ws_xml_cell(_cell, ref, ws, opts, idx, wb)) != null) r.push(cell);
			}
			if (r.length > 0 || (rows && rows[R])) {
				params = ({ r: rr });
				if (rows && rows[R]) {
					row = rows[R];
					if (row.hidden) params.hidden = 1;
					height = -1;
					if (row.hpx) height = px2pt(row.hpx);
					else if (row.hpt) height = row.hpt;
					if (height > -1) { params.ht = height; params.customHeight = 1; }
					if (row.level) { params.outlineLevel = row.level; }
				}
				o[o.length] = (writextag('row', r.join(""), params));
			}
		}
		if (rows) for (; R < rows.length; ++R) {
			if (rows && rows[R]) {
				params = ({ r: R + 1 });
				row = rows[R];
				if (row.hidden) params.hidden = 1;
				height = -1;
				if (row.hpx) height = px2pt(row.hpx);
				else if (row.hpt) height = row.hpt;
				if (height > -1) { params.ht = height; params.customHeight = 1; }
				if (row.level) { params.outlineLevel = row.level; }
				o[o.length] = (writextag('row', "", params));
			}
		}
		return o.join("");
	}

	var WS_XML_ROOT = writextag('worksheet', null, {
		'xmlns': XMLNS.main[0],
		'xmlns:r': XMLNS.r
	});

	function write_ws_xml(idx, opts, wb, rels) {
		var o = [XML_HEADER, WS_XML_ROOT];
		var s = wb.SheetNames[idx], sidx = 0, rdata = "";
		var ws = wb.Sheets[s];
		if (ws == null) ws = {};
		var ref = ws['!ref'] || 'A1';
		var range = safe_decode_range(ref);
		if (range.e.c > 0x3FFF || range.e.r > 0xFFFFF) {
			if (opts.WTF) throw new Error("Range " + ref + " exceeds format limit A1:XFD1048576");
			range.e.c = Math.min(range.e.c, 0x3FFF);
			range.e.r = Math.min(range.e.c, 0xFFFFF);
			ref = encode_range(range);
		}
		if (!rels) rels = {};
		ws['!comments'] = [];
		var _drawing = [];

		write_ws_xml_sheetpr(ws, wb, idx, opts, o);

		o[o.length] = (writextag('dimension', null, { 'ref': ref }));

		o[o.length] = write_ws_xml_sheetviews(ws, opts, idx, wb);

		/* TODO: store in WB, process styles */
		if (opts.sheetFormat) o[o.length] = (writextag('sheetFormatPr', null, {
			defaultRowHeight: opts.sheetFormat.defaultRowHeight || '16',
			baseColWidth: opts.sheetFormat.baseColWidth || '10',
			outlineLevelRow: opts.sheetFormat.outlineLevelRow || '7'
		}));

		if (ws['!cols'] != null && ws['!cols'].length > 0) o[o.length] = (write_ws_xml_cols(ws, ws['!cols']));

		o[sidx = o.length] = '<sheetData/>';
		ws['!links'] = [];
		if (ws['!ref'] != null) {
			rdata = write_ws_xml_data(ws, opts, idx, wb, rels);
			if (rdata.length > 0) o[o.length] = (rdata);
		}
		if (o.length > sidx + 1) { o[o.length] = ('</sheetData>'); o[sidx] = o[sidx].replace("/>", ">"); }

		/* sheetCalcPr */

		if (ws['!protect'] != null) o[o.length] = write_ws_xml_protection(ws['!protect']);

		/* protectedRanges */
		/* scenarios */

		if (ws['!autofilter'] != null) o[o.length] = write_ws_xml_autofilter(ws['!autofilter'], ws, wb, idx);

		/* sortState */
		/* dataConsolidate */
		/* customSheetViews */

		if (ws['!merges'] != null && ws['!merges'].length > 0) o[o.length] = (write_ws_xml_merges(ws['!merges']));

		/* phoneticPr */
		/* conditionalFormatting */
		/* dataValidations */

		var relc = -1, rel, rId = -1;
		if (ws['!links'].length > 0) {
			o[o.length] = "<hyperlinks>";
			ws['!links'].forEach(function (l) {
				if (!l[1].Target) return;
				rel = ({ "ref": l[0] });
				if (l[1].Target.charAt(0) != "#") {
					rId = add_rels(rels, -1, escapexml(l[1].Target).replace(/#.*$/, ""), RELS.HLINK);
					rel["r:id"] = "rId" + rId;
				}
				if ((relc = l[1].Target.indexOf("#")) > -1) rel.location = escapexml(l[1].Target.slice(relc + 1));
				if (l[1].Tooltip) rel.tooltip = escapexml(l[1].Tooltip);
				o[o.length] = writextag("hyperlink", null, rel);
			});
			o[o.length] = "</hyperlinks>";
		}
		delete ws['!links'];

		/* printOptions */

		if (ws['!margins'] != null) o[o.length] = write_ws_xml_margins(ws['!margins']);

		/* pageSetup */
		/* headerFooter */
		/* rowBreaks */
		/* colBreaks */
		/* customProperties */
		/* cellWatches */

		if (!opts || opts.ignoreEC || (opts.ignoreEC == (void 0))) o[o.length] = writetag("ignoredErrors", writextag("ignoredError", null, { numberStoredAsText: 1, sqref: ref }));

		/* smartTags */

		if (_drawing.length > 0) {
			rId = add_rels(rels, -1, "../drawings/drawing" + (idx + 1) + ".xml", RELS.DRAW);
			o[o.length] = writextag("drawing", null, { "r:id": "rId" + rId });
			ws['!drawing'] = _drawing;
		}

		if (ws['!comments'].length > 0) {
			rId = add_rels(rels, -1, "../drawings/vmlDrawing" + (idx + 1) + ".vml", RELS.VML);
			o[o.length] = writextag("legacyDrawing", null, { "r:id": "rId" + rId });
			ws['!legacy'] = rId;
		}

		/* legacyDrawingHF */
		/* picture */
		/* oleObjects */
		/* controls */
		/* webPublishItems */
		/* tableParts */
		/* extLst */

		if (o.length > 1) { o[o.length] = ('</worksheet>'); o[1] = o[1].replace("/>", ">"); }
		return o.join("");
	}

	/* [MS-XLSB] 2.4.726 BrtRowHdr */
	function parse_BrtRowHdr(data, length) {
		var z = ({});
		var tgt = data.l + length;
		z.r = data.read_shift(4);
		data.l += 4; // TODO: ixfe
		var miyRw = data.read_shift(2);
		data.l += 1; // TODO: top/bot padding
		var flags = data.read_shift(1);
		data.l = tgt;
		if (flags & 0x07) z.level = flags & 0x07;
		if (flags & 0x10) z.hidden = true;
		if (flags & 0x20) z.hpt = miyRw / 20;
		return z;
	}
	function write_BrtRowHdr(R, range, ws) {
		var o = new_buf(17 + 8 * 16);
		var row = (ws['!rows'] || [])[R] || {};
		o.write_shift(4, R);

		o.write_shift(4, 0); /* TODO: ixfe */

		var miyRw = 0x0140;
		if (row.hpx) miyRw = px2pt(row.hpx) * 20;
		else if (row.hpt) miyRw = row.hpt * 20;
		o.write_shift(2, miyRw);

		o.write_shift(1, 0); /* top/bot padding */

		var flags = 0x0;
		if (row.level) flags |= row.level;
		if (row.hidden) flags |= 0x10;
		if (row.hpx || row.hpt) flags |= 0x20;
		o.write_shift(1, flags);

		o.write_shift(1, 0); /* phonetic guide */

		/* [MS-XLSB] 2.5.8 BrtColSpan explains the mechanism */
		var ncolspan = 0, lcs = o.l;
		o.l += 4;

		var caddr = { r: R, c: 0 };
		for (var i = 0; i < 16; ++i) {
			if ((range.s.c > ((i + 1) << 10)) || (range.e.c < (i << 10))) continue;
			var first = -1, last = -1;
			for (var j = (i << 10); j < ((i + 1) << 10); ++j) {
				caddr.c = j;
				var cell = Array.isArray(ws) ? (ws[caddr.r] || [])[caddr.c] : ws[encode_cell(caddr)];
				if (cell) { if (first < 0) first = j; last = j; }
			}
			if (first < 0) continue;
			++ncolspan;
			o.write_shift(4, first);
			o.write_shift(4, last);
		}

		var l = o.l;
		o.l = lcs;
		o.write_shift(4, ncolspan);
		o.l = l;

		return o.length > o.l ? o.slice(0, o.l) : o;
	}
	function write_row_header(ba, ws, range, R) {
		var o = write_BrtRowHdr(R, range, ws);
		if ((o.length > 17) || (ws['!rows'] || [])[R]) write_record(ba, 'BrtRowHdr', o);
	}

	/* [MS-XLSB] 2.4.820 BrtWsDim */
	var parse_BrtWsDim = parse_UncheckedRfX;
	var write_BrtWsDim = write_UncheckedRfX;

	/* [MS-XLSB] 2.4.821 BrtWsFmtInfo */
	function parse_BrtWsFmtInfo() {
	}
	//function write_BrtWsFmtInfo(ws, o) { }

	/* [MS-XLSB] 2.4.823 BrtWsProp */
	function parse_BrtWsProp(data, length) {
		var z = {};
		/* TODO: pull flags */
		data.l += 19;
		z.name = parse_XLSBCodeName(data, length - 19);
		return z;
	}
	function write_BrtWsProp(str, o) {
		if (o == null) o = new_buf(84 + 4 * str.length);
		for (var i = 0; i < 3; ++i) o.write_shift(1, 0);
		write_BrtColor({ auto: 1 }, o);
		o.write_shift(-4, -1);
		o.write_shift(-4, -1);
		write_XLSBCodeName(str, o);
		return o.slice(0, o.l);
	}

	/* [MS-XLSB] 2.4.306 BrtCellBlank */
	function parse_BrtCellBlank(data) {
		var cell = parse_XLSBCell(data);
		return [cell];
	}
	function write_BrtCellBlank(cell, ncell, o) {
		if (o == null) o = new_buf(8);
		return write_XLSBCell(ncell, o);
	}


	/* [MS-XLSB] 2.4.307 BrtCellBool */
	function parse_BrtCellBool(data) {
		var cell = parse_XLSBCell(data);
		var fBool = data.read_shift(1);
		return [cell, fBool, 'b'];
	}
	function write_BrtCellBool(cell, ncell, o) {
		if (o == null) o = new_buf(9);
		write_XLSBCell(ncell, o);
		o.write_shift(1, cell.v ? 1 : 0);
		return o;
	}

	/* [MS-XLSB] 2.4.308 BrtCellError */
	function parse_BrtCellError(data) {
		var cell = parse_XLSBCell(data);
		var bError = data.read_shift(1);
		return [cell, bError, 'e'];
	}

	/* [MS-XLSB] 2.4.311 BrtCellIsst */
	function parse_BrtCellIsst(data) {
		var cell = parse_XLSBCell(data);
		var isst = data.read_shift(4);
		return [cell, isst, 's'];
	}
	function write_BrtCellIsst(cell, ncell, o) {
		if (o == null) o = new_buf(12);
		write_XLSBCell(ncell, o);
		o.write_shift(4, ncell.v);
		return o;
	}

	/* [MS-XLSB] 2.4.313 BrtCellReal */
	function parse_BrtCellReal(data) {
		var cell = parse_XLSBCell(data);
		var value = parse_Xnum(data);
		return [cell, value, 'n'];
	}
	function write_BrtCellReal(cell, ncell, o) {
		if (o == null) o = new_buf(16);
		write_XLSBCell(ncell, o);
		write_Xnum(cell.v, o);
		return o;
	}

	/* [MS-XLSB] 2.4.314 BrtCellRk */
	function parse_BrtCellRk(data) {
		var cell = parse_XLSBCell(data);
		var value = parse_RkNumber(data);
		return [cell, value, 'n'];
	}
	function write_BrtCellRk(cell, ncell, o) {
		if (o == null) o = new_buf(12);
		write_XLSBCell(ncell, o);
		write_RkNumber(cell.v, o);
		return o;
	}


	/* [MS-XLSB] 2.4.317 BrtCellSt */
	function parse_BrtCellSt(data) {
		var cell = parse_XLSBCell(data);
		var value = parse_XLWideString(data);
		return [cell, value, 'str'];
	}
	function write_BrtCellSt(cell, ncell, o) {
		if (o == null) o = new_buf(12 + 4 * cell.v.length);
		write_XLSBCell(ncell, o);
		write_XLWideString(cell.v, o);
		return o.length > o.l ? o.slice(0, o.l) : o;
	}

	/* [MS-XLSB] 2.4.653 BrtFmlaBool */
	function parse_BrtFmlaBool(data, length, opts) {
		var end = data.l + length;
		var cell = parse_XLSBCell(data);
		cell.r = opts['!row'];
		var value = data.read_shift(1);
		var o = [cell, value, 'b'];
		if (opts.cellFormula) {
			data.l += 2;
			var formula = parse_XLSBCellParsedFormula(data, end - data.l, opts);
			o[3] = stringify_formula(formula, null/*range*/, cell, opts.supbooks, opts);/* TODO */
		}
		else data.l = end;
		return o;
	}

	/* [MS-XLSB] 2.4.654 BrtFmlaError */
	function parse_BrtFmlaError(data, length, opts) {
		var end = data.l + length;
		var cell = parse_XLSBCell(data);
		cell.r = opts['!row'];
		var value = data.read_shift(1);
		var o = [cell, value, 'e'];
		if (opts.cellFormula) {
			data.l += 2;
			var formula = parse_XLSBCellParsedFormula(data, end - data.l, opts);
			o[3] = stringify_formula(formula, null/*range*/, cell, opts.supbooks, opts);/* TODO */
		}
		else data.l = end;
		return o;
	}

	/* [MS-XLSB] 2.4.655 BrtFmlaNum */
	function parse_BrtFmlaNum(data, length, opts) {
		var end = data.l + length;
		var cell = parse_XLSBCell(data);
		cell.r = opts['!row'];
		var value = parse_Xnum(data);
		var o = [cell, value, 'n'];
		if (opts.cellFormula) {
			data.l += 2;
			var formula = parse_XLSBCellParsedFormula(data, end - data.l, opts);
			o[3] = stringify_formula(formula, null/*range*/, cell, opts.supbooks, opts);/* TODO */
		}
		else data.l = end;
		return o;
	}

	/* [MS-XLSB] 2.4.656 BrtFmlaString */
	function parse_BrtFmlaString(data, length, opts) {
		var end = data.l + length;
		var cell = parse_XLSBCell(data);
		cell.r = opts['!row'];
		var value = parse_XLWideString(data);
		var o = [cell, value, 'str'];
		if (opts.cellFormula) {
			data.l += 2;
			var formula = parse_XLSBCellParsedFormula(data, end - data.l, opts);
			o[3] = stringify_formula(formula, null/*range*/, cell, opts.supbooks, opts);/* TODO */
		}
		else data.l = end;
		return o;
	}

	/* [MS-XLSB] 2.4.682 BrtMergeCell */
	var parse_BrtMergeCell = parse_UncheckedRfX;
	var write_BrtMergeCell = write_UncheckedRfX;
	/* [MS-XLSB] 2.4.107 BrtBeginMergeCells */
	function write_BrtBeginMergeCells(cnt, o) {
		if (o == null) o = new_buf(4);
		o.write_shift(4, cnt);
		return o;
	}

	/* [MS-XLSB] 2.4.662 BrtHLink */
	function parse_BrtHLink(data, length) {
		var end = data.l + length;
		var rfx = parse_UncheckedRfX(data, 16);
		var relId = parse_XLNullableWideString(data);
		var loc = parse_XLWideString(data);
		var tooltip = parse_XLWideString(data);
		var display = parse_XLWideString(data);
		data.l = end;
		var o = ({ rfx: rfx, relId: relId, loc: loc, display: display });
		if (tooltip) o.Tooltip = tooltip;
		return o;
	}
	function write_BrtHLink(l, rId) {
		var o = new_buf(50 + 4 * (l[1].Target.length + (l[1].Tooltip || "").length));
		write_UncheckedRfX({ s: decode_cell(l[0]), e: decode_cell(l[0]) }, o);
		write_RelID("rId" + rId, o);
		var locidx = l[1].Target.indexOf("#");
		var loc = locidx == -1 ? "" : l[1].Target.slice(locidx + 1);
		write_XLWideString(loc || "", o);
		write_XLWideString(l[1].Tooltip || "", o);
		write_XLWideString("", o);
		return o.slice(0, o.l);
	}

	/* [MS-XLSB] 2.4.692 BrtPane */
	function parse_BrtPane(/*data, length, opts*/) {
	}

	/* [MS-XLSB] 2.4.6 BrtArrFmla */
	function parse_BrtArrFmla(data, length, opts) {
		var end = data.l + length;
		var rfx = parse_RfX(data, 16);
		var fAlwaysCalc = data.read_shift(1);
		var o = [rfx]; o[2] = fAlwaysCalc;
		if (opts.cellFormula) {
			var formula = parse_XLSBArrayParsedFormula(data, end - data.l, opts);
			o[1] = formula;
		} else data.l = end;
		return o;
	}

	/* [MS-XLSB] 2.4.750 BrtShrFmla */
	function parse_BrtShrFmla(data, length, opts) {
		var end = data.l + length;
		var rfx = parse_UncheckedRfX(data, 16);
		var o = [rfx];
		if (opts.cellFormula) {
			var formula = parse_XLSBSharedParsedFormula(data, end - data.l, opts);
			o[1] = formula;
			data.l = end;
		} else data.l = end;
		return o;
	}

	/* [MS-XLSB] 2.4.323 BrtColInfo */
	/* TODO: once XLS ColInfo is set, combine the functions */
	function write_BrtColInfo(C, col, o) {
		if (o == null) o = new_buf(18);
		var p = col_obj_w(C, col);
		o.write_shift(-4, C);
		o.write_shift(-4, C);
		o.write_shift(4, (p.width || 10) * 256);
		o.write_shift(4, 0/*ixfe*/); // style
		var flags = 0;
		if (col.hidden) flags |= 0x01;
		if (typeof p.width == 'number') flags |= 0x02;
		if (col.level) flags |= (col.level << 8);
		o.write_shift(2, flags); // bit flag
		return o;
	}

	/* [MS-XLSB] 2.4.678 BrtMargins */
	var BrtMarginKeys = ["left", "right", "top", "bottom", "header", "footer"];
	function parse_BrtMargins(data) {
		var margins = ({});
		BrtMarginKeys.forEach(function (k) { margins[k] = parse_Xnum(data, 8); });
		return margins;
	}
	function write_BrtMargins(margins, o) {
		if (o == null) o = new_buf(6 * 8);
		default_margins(margins);
		BrtMarginKeys.forEach(function (k) { write_Xnum((margins)[k], o); });
		return o;
	}

	/* [MS-XLSB] 2.4.299 BrtBeginWsView */
	function parse_BrtBeginWsView(data) {
		var f = data.read_shift(2);
		data.l += 28;
		return { RTL: f & 0x20 };
	}
	function write_BrtBeginWsView(ws, Workbook, o) {
		if (o == null) o = new_buf(30);
		var f = 0x39c;
		if ((((Workbook || {}).Views || [])[0] || {}).RTL) f |= 0x20;
		o.write_shift(2, f); // bit flag
		o.write_shift(4, 0);
		o.write_shift(4, 0); // view first row
		o.write_shift(4, 0); // view first col
		o.write_shift(1, 0); // gridline color ICV
		o.write_shift(1, 0);
		o.write_shift(2, 0);
		o.write_shift(2, 100); // zoom scale
		o.write_shift(2, 0);
		o.write_shift(2, 0);
		o.write_shift(2, 0);
		o.write_shift(4, 0); // workbook view id
		return o;
	}

	/* [MS-XLSB] 2.4.309 BrtCellIgnoreEC */
	function write_BrtCellIgnoreEC(ref) {
		var o = new_buf(24);
		o.write_shift(4, 4);
		o.write_shift(4, 1);
		write_UncheckedRfX(ref, o);
		return o;
	}

	/* [MS-XLSB] 2.4.748 BrtSheetProtection */
	function write_BrtSheetProtection(sp, o) {
		if (o == null) o = new_buf(16 * 4 + 2);
		o.write_shift(2, sp.password ? crypto_CreatePasswordVerifier_Method1(sp.password) : 0);
		o.write_shift(4, 1); // this record should not be written if no protection
		[
			["objects", false], // fObjects
			["scenarios", false], // fScenarios
			["formatCells", true], // fFormatCells
			["formatColumns", true], // fFormatColumns
			["formatRows", true], // fFormatRows
			["insertColumns", true], // fInsertColumns
			["insertRows", true], // fInsertRows
			["insertHyperlinks", true], // fInsertHyperlinks
			["deleteColumns", true], // fDeleteColumns
			["deleteRows", true], // fDeleteRows
			["selectLockedCells", false], // fSelLockedCells
			["sort", true], // fSort
			["autoFilter", true], // fAutoFilter
			["pivotTables", true], // fPivotTables
			["selectUnlockedCells", false]  // fSelUnlockedCells
		].forEach(function (n) {
			if (n[1]) o.write_shift(4, sp[n[0]] != null && !sp[n[0]] ? 1 : 0);
			else o.write_shift(4, sp[n[0]] != null && sp[n[0]] ? 0 : 1);
		});
		return o;
	}

	function parse_BrtDVal(/*data, length, opts*/) {
	}
	function parse_BrtDVal14(/*data, length, opts*/) {
	}
	/* [MS-XLSB] 2.1.7.61 Worksheet */
	function parse_ws_bin(data, _opts, idx, rels, wb, themes, styles) {
		if (!data) return data;
		var opts = _opts || {};
		if (!rels) rels = { '!id': {} };
		if (DENSE != null && opts.dense == null) opts.dense = DENSE;
		var s = (opts.dense ? [] : {});

		var ref;
		var refguess = { s: { r: 2000000, c: 2000000 }, e: { r: 0, c: 0 } };

		var state = [];
		var pass = false, end = false;
		var row, p, cf, R, C, addr, sstr, rr, cell;
		var merges = [];
		opts.biff = 12;
		opts['!row'] = 0;

		var ai = 0, af = false;

		var arrayf = [];
		var sharedf = {};
		var supbooks = opts.supbooks || wb.supbooks || ([[]]);
		supbooks.sharedf = sharedf;
		supbooks.arrayf = arrayf;
		supbooks.SheetNames = wb.SheetNames || wb.Sheets.map(function (x) { return x.name; });
		if (!opts.supbooks) {
			opts.supbooks = supbooks;
			if (wb.Names) for (var i = 0; i < wb.Names.length; ++i) supbooks[0][i + 1] = wb.Names[i];
		}

		var colinfo = [], rowinfo = [];
		var seencol = false;

		recordhopper(data, function ws_parse(val, R_n, RT) {
			if (end) return;
			switch (RT) {
				case 0x0094: /* 'BrtWsDim' */
					ref = val; break;
				case 0x0000: /* 'BrtRowHdr' */
					row = val;
					if (opts.sheetRows && opts.sheetRows <= row.r) end = true;
					rr = encode_row(R = row.r);
					opts['!row'] = row.r;
					if (val.hidden || val.hpt || val.level != null) {
						if (val.hpt) val.hpx = pt2px(val.hpt);
						rowinfo[val.r] = val;
					}
					break;

				case 0x0002: /* 'BrtCellRk' */
				case 0x0003: /* 'BrtCellError' */
				case 0x0004: /* 'BrtCellBool' */
				case 0x0005: /* 'BrtCellReal' */
				case 0x0006: /* 'BrtCellSt' */
				case 0x0007: /* 'BrtCellIsst' */
				case 0x0008: /* 'BrtFmlaString' */
				case 0x0009: /* 'BrtFmlaNum' */
				case 0x000A: /* 'BrtFmlaBool' */
				case 0x000B: /* 'BrtFmlaError' */
					p = ({ t: val[2] });
					switch (val[2]) {
						case 'n': p.v = val[1]; break;
						case 's': sstr = strs[val[1]]; p.v = sstr.t; p.r = sstr.r; break;
						case 'b': p.v = val[1] ? true : false; break;
						case 'e': p.v = val[1]; if (opts.cellText !== false) p.w = BErr[p.v]; break;
						case 'str': p.t = 's'; p.v = val[1]; break;
					}
					if ((cf = styles.CellXf[val[0].iStyleRef])) safe_format(p, cf.numFmtId, null, opts, themes, styles);
					C = val[0].c;
					if (opts.dense) { if (!s[R]) s[R] = []; s[R][C] = p; }
					else s[encode_col(C) + rr] = p;
					if (opts.cellFormula) {
						af = false;
						for (ai = 0; ai < arrayf.length; ++ai) {
							var aii = arrayf[ai];
							if (row.r >= aii[0].s.r && row.r <= aii[0].e.r)
								if (C >= aii[0].s.c && C <= aii[0].e.c) {
									p.F = encode_range(aii[0]); af = true;
								}
						}
						if (!af && val.length > 3) p.f = val[3];
					}
					if (refguess.s.r > row.r) refguess.s.r = row.r;
					if (refguess.s.c > C) refguess.s.c = C;
					if (refguess.e.r < row.r) refguess.e.r = row.r;
					if (refguess.e.c < C) refguess.e.c = C;
					if (opts.cellDates && cf && p.t == 'n' && SSF.is_date(SSF._table[cf.numFmtId])) {
						var _d = SSF.parse_date_code(p.v); if (_d) { p.t = 'd'; p.v = new Date(_d.y, _d.m - 1, _d.d, _d.H, _d.M, _d.S, _d.u); }
					}
					break;

				case 0x0001: /* 'BrtCellBlank' */
					if (!opts.sheetStubs || pass) break;
					p = ({ t: 'z', v: undefined });
					C = val[0].c;
					if (opts.dense) { if (!s[R]) s[R] = []; s[R][C] = p; }
					else s[encode_col(C) + rr] = p;
					if (refguess.s.r > row.r) refguess.s.r = row.r;
					if (refguess.s.c > C) refguess.s.c = C;
					if (refguess.e.r < row.r) refguess.e.r = row.r;
					if (refguess.e.c < C) refguess.e.c = C;
					break;

				case 0x00B0: /* 'BrtMergeCell' */
					merges.push(val); break;

				case 0x01EE: /* 'BrtHLink' */
					var rel = rels['!id'][val.relId];
					if (rel) {
						val.Target = rel.Target;
						if (val.loc) val.Target += "#" + val.loc;
						val.Rel = rel;
					} else if (val.relId == '') {
						val.Target = "#" + val.loc;
					}
					for (R = val.rfx.s.r; R <= val.rfx.e.r; ++R) for (C = val.rfx.s.c; C <= val.rfx.e.c; ++C) {
						if (opts.dense) {
							if (!s[R]) s[R] = [];
							if (!s[R][C]) s[R][C] = { t: 'z', v: undefined };
							s[R][C].l = val;
						} else {
							addr = encode_cell({ c: C, r: R });
							if (!s[addr]) s[addr] = { t: 'z', v: undefined };
							s[addr].l = val;
						}
					}
					break;

				case 0x01AA: /* 'BrtArrFmla' */
					if (!opts.cellFormula) break;
					arrayf.push(val);
					cell = ((opts.dense ? s[R][C] : s[encode_col(C) + rr]));
					cell.f = stringify_formula(val[1], refguess, { r: row.r, c: C }, supbooks, opts);
					cell.F = encode_range(val[0]);
					break;
				case 0x01AB: /* 'BrtShrFmla' */
					if (!opts.cellFormula) break;
					sharedf[encode_cell(val[0].s)] = val[1];
					cell = (opts.dense ? s[R][C] : s[encode_col(C) + rr]);
					cell.f = stringify_formula(val[1], refguess, { r: row.r, c: C }, supbooks, opts);
					break;

				/* identical to 'ColInfo' in XLS */
				case 0x003C: /* 'BrtColInfo' */
					if (!opts.cellStyles) break;
					while (val.e >= val.s) {
						colinfo[val.e--] = { width: val.w / 256, hidden: !!(val.flags & 0x01), level: val.level };
						if (!seencol) { seencol = true; find_mdw_colw(val.w / 256); }
						process_col(colinfo[val.e + 1]);
					}
					break;

				case 0x00A1: /* 'BrtBeginAFilter' */
					s['!autofilter'] = { ref: encode_range(val) };
					break;

				case 0x01DC: /* 'BrtMargins' */
					s['!margins'] = val;
					break;

				case 0x0093: /* 'BrtWsProp' */
					if (!wb.Sheets[idx]) wb.Sheets[idx] = {};
					if (val.name) wb.Sheets[idx].CodeName = val.name;
					break;

				case 0x0089: /* 'BrtBeginWsView' */
					if (!wb.Views) wb.Views = [{}];
					if (!wb.Views[0]) wb.Views[0] = {};
					if (val.RTL) wb.Views[0].RTL = true;
					break;

				case 0x01E5: /* 'BrtWsFmtInfo' */
					break;

				case 0x0040: /* 'BrtDVal' */
				case 0x041D: /* 'BrtDVal14' */
					break;

				case 0x0097: /* 'BrtPane' */
					break;
				case 0x00AF: /* 'BrtAFilterDateGroupItem' */
				case 0x0284: /* 'BrtActiveX' */
				case 0x0271: /* 'BrtBigName' */
				case 0x0232: /* 'BrtBkHim' */
				case 0x018C: /* 'BrtBrk' */
				case 0x0458: /* 'BrtCFIcon' */
				case 0x047A: /* 'BrtCFRuleExt' */
				case 0x01D7: /* 'BrtCFVO' */
				case 0x041A: /* 'BrtCFVO14' */
				case 0x0289: /* 'BrtCellIgnoreEC' */
				case 0x0451: /* 'BrtCellIgnoreEC14' */
				case 0x0031: /* 'BrtCellMeta' */
				case 0x024D: /* 'BrtCellSmartTagProperty' */
				case 0x025F: /* 'BrtCellWatch' */
				case 0x0234: /* 'BrtColor' */
				case 0x041F: /* 'BrtColor14' */
				case 0x00A8: /* 'BrtColorFilter' */
				case 0x00AE: /* 'BrtCustomFilter' */
				case 0x049C: /* 'BrtCustomFilter14' */
				case 0x01F3: /* 'BrtDRef' */
				case 0x0226: /* 'BrtDrawing' */
				case 0x00AB: /* 'BrtDynamicFilter' */
				case 0x00A7: /* 'BrtFilter' */
				case 0x0499: /* 'BrtFilter14' */
				case 0x00A9: /* 'BrtIconFilter' */
				case 0x049D: /* 'BrtIconFilter14' */
				case 0x0227: /* 'BrtLegacyDrawing' */
				case 0x0228: /* 'BrtLegacyDrawingHF' */
				case 0x0295: /* 'BrtListPart' */
				case 0x027F: /* 'BrtOleObject' */
				case 0x01DE: /* 'BrtPageSetup' */
				case 0x0219: /* 'BrtPhoneticInfo' */
				case 0x01DD: /* 'BrtPrintOptions' */
				case 0x0218: /* 'BrtRangeProtection' */
				case 0x044F: /* 'BrtRangeProtection14' */
				case 0x02A8: /* 'BrtRangeProtectionIso' */
				case 0x0450: /* 'BrtRangeProtectionIso14' */
				case 0x0400: /* 'BrtRwDescent' */
				case 0x0098: /* 'BrtSel' */
				case 0x0297: /* 'BrtSheetCalcProp' */
				case 0x0217: /* 'BrtSheetProtection' */
				case 0x02A6: /* 'BrtSheetProtectionIso' */
				case 0x01F8: /* 'BrtSlc' */
				case 0x0413: /* 'BrtSparkline' */
				case 0x01AC: /* 'BrtTable' */
				case 0x00AA: /* 'BrtTop10Filter' */
				case 0x0C00: /* 'BrtUid' */
				case 0x0032: /* 'BrtValueMeta' */
				case 0x0816: /* 'BrtWebExtension' */
				case 0x0415: /* 'BrtWsFmtInfoEx14' */
					break;

				case 0x0023: /* 'BrtFRTBegin' */
					pass = true; break;
				case 0x0024: /* 'BrtFRTEnd' */
					pass = false; break;
				case 0x0025: /* 'BrtACBegin' */
					state.push(R_n); pass = true; break;
				case 0x0026: /* 'BrtACEnd' */
					state.pop(); pass = false; break;

				default:
					if ((R_n || "").indexOf("Begin") > 0) {/* empty */ }
					else if ((R_n || "").indexOf("End") > 0) {/* empty */ }
					else if (!pass || opts.WTF) throw new Error("Unexpected record " + RT + " " + R_n);
			}
		}, opts);

		delete opts.supbooks;
		delete opts['!row'];

		if (!s["!ref"] && (refguess.s.r < 2000000 || ref && (ref.e.r > 0 || ref.e.c > 0 || ref.s.r > 0 || ref.s.c > 0))) s["!ref"] = encode_range(ref || refguess);
		if (opts.sheetRows && s["!ref"]) {
			var tmpref = safe_decode_range(s["!ref"]);
			if (opts.sheetRows <= +tmpref.e.r) {
				tmpref.e.r = opts.sheetRows - 1;
				if (tmpref.e.r > refguess.e.r) tmpref.e.r = refguess.e.r;
				if (tmpref.e.r < tmpref.s.r) tmpref.s.r = tmpref.e.r;
				if (tmpref.e.c > refguess.e.c) tmpref.e.c = refguess.e.c;
				if (tmpref.e.c < tmpref.s.c) tmpref.s.c = tmpref.e.c;
				s["!fullref"] = s["!ref"];
				s["!ref"] = encode_range(tmpref);
			}
		}
		if (merges.length > 0) s["!merges"] = merges;
		if (colinfo.length > 0) s["!cols"] = colinfo;
		if (rowinfo.length > 0) s["!rows"] = rowinfo;
		return s;
	}

	/* TODO: something useful -- this is a stub */
	function write_ws_bin_cell(ba, cell, R, C, opts, ws) {
		if (cell.v === undefined) return;
		var vv = "";
		switch (cell.t) {
			case 'b': vv = cell.v ? "1" : "0"; break;
			case 'd': // no BrtCellDate :(
				cell = dup(cell);
				cell.z = cell.z || SSF._table[14];
				cell.v = datenum(parseDate(cell.v)); cell.t = 'n';
				break;
			/* falls through */
			case 'n': case 'e': vv = '' + cell.v; break;
			default: vv = cell.v; break;
		}
		var o = ({ r: R, c: C });
		/* TODO: cell style */
		o.s = get_cell_style(opts.cellXfs, cell, opts);
		if (cell.l) ws['!links'].push([encode_cell(o), cell.l]);
		if (cell.c) ws['!comments'].push([encode_cell(o), cell.c]);
		switch (cell.t) {
			case 's': case 'str':
				if (opts.bookSST) {
					vv = get_sst_id(opts.Strings, (cell.v), opts.revStrings);
					o.t = "s"; o.v = vv;
					write_record(ba, "BrtCellIsst", write_BrtCellIsst(cell, o));
				} else {
					o.t = "str";
					write_record(ba, "BrtCellSt", write_BrtCellSt(cell, o));
				}
				return;
			case 'n':
				/* TODO: determine threshold for Real vs RK */
				if (cell.v == (cell.v | 0) && cell.v > -1000 && cell.v < 1000) write_record(ba, "BrtCellRk", write_BrtCellRk(cell, o));
				else write_record(ba, "BrtCellReal", write_BrtCellReal(cell, o));
				return;
			case 'b':
				o.t = "b";
				write_record(ba, "BrtCellBool", write_BrtCellBool(cell, o));
				return;
			case 'e': /* TODO: error */ o.t = "e"; break;
		}
		write_record(ba, "BrtCellBlank", write_BrtCellBlank(cell, o));
	}

	function write_CELLTABLE(ba, ws, idx, opts) {
		var range = safe_decode_range(ws['!ref'] || "A1"), ref, rr = "", cols = [];
		write_record(ba, 'BrtBeginSheetData');
		var dense = Array.isArray(ws);
		var cap = range.e.r;
		if (ws['!rows']) cap = Math.max(range.e.r, ws['!rows'].length - 1);
		for (var R = range.s.r; R <= cap; ++R) {
			rr = encode_row(R);
			/* [ACCELLTABLE] */
			/* BrtRowHdr */
			write_row_header(ba, ws, range, R);
			if (R <= range.e.r) for (var C = range.s.c; C <= range.e.c; ++C) {
				/* *16384CELL */
				if (R === range.s.r) cols[C] = encode_col(C);
				ref = cols[C] + rr;
				var cell = dense ? (ws[R] || [])[C] : ws[ref];
				if (!cell) continue;
				/* write cell */
				write_ws_bin_cell(ba, cell, R, C, opts, ws);
			}
		}
		write_record(ba, 'BrtEndSheetData');
	}

	function write_MERGECELLS(ba, ws) {
		if (!ws || !ws['!merges']) return;
		write_record(ba, 'BrtBeginMergeCells', write_BrtBeginMergeCells(ws['!merges'].length));
		ws['!merges'].forEach(function (m) { write_record(ba, 'BrtMergeCell', write_BrtMergeCell(m)); });
		write_record(ba, 'BrtEndMergeCells');
	}

	function write_COLINFOS(ba, ws) {
		if (!ws || !ws['!cols']) return;
		write_record(ba, 'BrtBeginColInfos');
		ws['!cols'].forEach(function (m, i) { if (m) write_record(ba, 'BrtColInfo', write_BrtColInfo(i, m)); });
		write_record(ba, 'BrtEndColInfos');
	}

	function write_IGNOREECS(ba, ws) {
		if (!ws || !ws['!ref']) return;
		write_record(ba, 'BrtBeginCellIgnoreECs');
		write_record(ba, 'BrtCellIgnoreEC', write_BrtCellIgnoreEC(safe_decode_range(ws['!ref'])));
		write_record(ba, 'BrtEndCellIgnoreECs');
	}

	function write_HLINKS(ba, ws, rels) {
		/* *BrtHLink */
		ws['!links'].forEach(function (l) {
			if (!l[1].Target) return;
			var rId = add_rels(rels, -1, l[1].Target.replace(/#.*$/, ""), RELS.HLINK);
			write_record(ba, "BrtHLink", write_BrtHLink(l, rId));
		});
		delete ws['!links'];
	}
	function write_LEGACYDRAWING(ba, ws, idx, rels) {
		/* [BrtLegacyDrawing] */
		if (ws['!comments'].length > 0) {
			var rId = add_rels(rels, -1, "../drawings/vmlDrawing" + (idx + 1) + ".vml", RELS.VML);
			write_record(ba, "BrtLegacyDrawing", write_RelID("rId" + rId));
			ws['!legacy'] = rId;
		}
	}

	function write_AUTOFILTER(ba, ws, wb, idx) {
		if (!ws['!autofilter']) return;
		var data = ws['!autofilter'];
		var ref = typeof data.ref === "string" ? data.ref : encode_range(data.ref);

		/* Update FilterDatabase defined name for the worksheet */
		if (!wb.Workbook) wb.Workbook = ({ Sheets: [] });
		if (!wb.Workbook.Names) wb.Workbook.Names = [];
		var names = wb.Workbook.Names;
		var range = decode_range(ref);
		if (range.s.r == range.e.r) { range.e.r = decode_range(ws["!ref"]).e.r; ref = encode_range(range); }
		for (var i = 0; i < names.length; ++i) {
			var name = names[i];
			if (name.Name != '_xlnm._FilterDatabase') continue;
			if (name.Sheet != idx) continue;
			name.Ref = "'" + wb.SheetNames[idx] + "'!" + ref; break;
		}
		if (i == names.length) names.push({ Name: '_xlnm._FilterDatabase', Sheet: idx, Ref: "'" + wb.SheetNames[idx] + "'!" + ref });

		write_record(ba, "BrtBeginAFilter", write_UncheckedRfX(safe_decode_range(ref)));
		/* *FILTERCOLUMN */
		/* [SORTSTATE] */
		/* BrtEndAFilter */
		write_record(ba, "BrtEndAFilter");
	}

	function write_WSVIEWS2(ba, ws, Workbook) {
		write_record(ba, "BrtBeginWsViews");
		{ /* 1*WSVIEW2 */
			/* [ACUID] */
			write_record(ba, "BrtBeginWsView", write_BrtBeginWsView(ws, Workbook));
			/* [BrtPane] */
			/* *4BrtSel */
			/* *4SXSELECT */
			/* *FRT */
			write_record(ba, "BrtEndWsView");
		}
		/* *FRT */
		write_record(ba, "BrtEndWsViews");
	}

	function write_WSFMTINFO() {
		/* [ACWSFMTINFO] */
		//write_record(ba, "BrtWsFmtInfo", write_BrtWsFmtInfo(ws));
	}

	function write_SHEETPROTECT(ba, ws) {
		if (!ws['!protect']) return;
		/* [BrtSheetProtectionIso] */
		write_record(ba, "BrtSheetProtection", write_BrtSheetProtection(ws['!protect']));
	}

	function write_ws_bin(idx, opts, wb, rels) {
		var ba = buf_array();
		var s = wb.SheetNames[idx], ws = wb.Sheets[s] || {};
		var c = s; try { if (wb && wb.Workbook) c = wb.Workbook.Sheets[idx].CodeName || c; } catch (e) { }
		var r = safe_decode_range(ws['!ref'] || "A1");
		if (r.e.c > 0x3FFF || r.e.r > 0xFFFFF) {
			if (opts.WTF) throw new Error("Range " + (ws['!ref'] || "A1") + " exceeds format limit A1:XFD1048576");
			r.e.c = Math.min(r.e.c, 0x3FFF);
			r.e.r = Math.min(r.e.c, 0xFFFFF);
		}
		ws['!links'] = [];
		/* passed back to write_zip and removed there */
		ws['!comments'] = [];
		write_record(ba, "BrtBeginSheet");
		if (wb.vbaraw) write_record(ba, "BrtWsProp", write_BrtWsProp(c));
		write_record(ba, "BrtWsDim", write_BrtWsDim(r));
		write_WSVIEWS2(ba, ws, wb.Workbook);
		write_WSFMTINFO(ba, ws);
		write_COLINFOS(ba, ws, idx, opts, wb);
		write_CELLTABLE(ba, ws, idx, opts, wb);
		/* [BrtSheetCalcProp] */
		write_SHEETPROTECT(ba, ws);
		/* *([BrtRangeProtectionIso] BrtRangeProtection) */
		/* [SCENMAN] */
		write_AUTOFILTER(ba, ws, wb, idx);
		/* [SORTSTATE] */
		/* [DCON] */
		/* [USERSHVIEWS] */
		write_MERGECELLS(ba, ws);
		/* [BrtPhoneticInfo] */
		/* *CONDITIONALFORMATTING */
		/* [DVALS] */
		write_HLINKS(ba, ws, rels);
		/* [BrtPrintOptions] */
		if (ws['!margins']) write_record(ba, "BrtMargins", write_BrtMargins(ws['!margins']));
		/* [BrtPageSetup] */
		/* [HEADERFOOTER] */
		/* [RWBRK] */
		/* [COLBRK] */
		/* *BrtBigName */
		/* [CELLWATCHES] */
		if (!opts || opts.ignoreEC || (opts.ignoreEC == (void 0))) write_IGNOREECS(ba, ws);
		/* [SMARTTAGS] */
		/* [BrtDrawing] */
		write_LEGACYDRAWING(ba, ws, idx, rels);
		/* [BrtLegacyDrawingHF] */
		/* [BrtBkHim] */
		/* [OLEOBJECTS] */
		/* [ACTIVEXCONTROLS] */
		/* [WEBPUBITEMS] */
		/* [LISTPARTS] */
		/* FRTWORKSHEET */
		write_record(ba, "BrtEndSheet");
		return ba.end();
	}
	RELS.CHART = "http://schemas.openxmlformats.org/officeDocument/2006/relationships/chart";
	RELS.CHARTEX = "http://schemas.microsoft.com/office/2014/relationships/chartEx";

	function parse_Cache(data) {
		var col = [];
		var num = data.match(/^<c:numCache>/);
		var f;

		/* 21.2.2.150 pt CT_NumVal */
		(data.match(/<c:pt idx="(\d*)">(.*?)<\/c:pt>/mg) || []).forEach(function (pt) {
			var q = pt.match(/<c:pt idx="(\d*?)"><c:v>(.*)<\/c:v><\/c:pt>/);
			if (!q) return;
			col[+q[1]] = num ? +q[2] : q[2];
		});

		/* 21.2.2.71 formatCode CT_Xstring */
		var nf = unescapexml((data.match(/<c:formatCode>([\s\S]*?)<\/c:formatCode>/) || ["", "General"])[1]);

		(data.match(/<c:f>(.*?)<\/c:f>/mg) || []).forEach(function (F) { f = F.replace(/<.*?>/g, ""); });

		return [col, nf, f];
	}

	/* 21.2 DrawingML - Charts */
	function parse_chart(data, name, opts, rels, wb, csheet) {
		var cs = ((csheet || { "!type": "chart" }));
		if (!data) return csheet;
		/* 21.2.2.27 chart CT_Chart */

		var C = 0, R = 0, col = "A";
		var refguess = { s: { r: 2000000, c: 2000000 }, e: { r: 0, c: 0 } };

		/* 21.2.2.120 numCache CT_NumData */
		(data.match(/<c:numCache>[\s\S]*?<\/c:numCache>/gm) || []).forEach(function (nc) {
			var cache = parse_Cache(nc);
			refguess.s.r = refguess.s.c = 0;
			refguess.e.c = C;
			col = encode_col(C);
			cache[0].forEach(function (n, i) {
				cs[col + encode_row(i)] = { t: 'n', v: n, z: cache[1] };
				R = i;
			});
			if (refguess.e.r < R) refguess.e.r = R;
			++C;
		});
		if (C > 0) cs["!ref"] = encode_range(refguess);
		return cs;
	}
	RELS.CS = "http://schemas.openxmlformats.org/officeDocument/2006/relationships/chartsheet";

	var CS_XML_ROOT = writextag('chartsheet', null, {
		'xmlns': XMLNS.main[0],
		'xmlns:r': XMLNS.r
	});

	/* 18.3 Worksheets also covers Chartsheets */
	function parse_cs_xml(data, opts, idx, rels, wb) {
		if (!data) return data;
		/* 18.3.1.12 chartsheet CT_ChartSheet */
		if (!rels) rels = { '!id': {} };
		var s = ({ '!type': "chart", '!drawel': null, '!rel': "" });
		var m;

		/* 18.3.1.83 sheetPr CT_ChartsheetPr */
		var sheetPr = data.match(sheetprregex);
		if (sheetPr) parse_ws_xml_sheetpr(sheetPr[0], s, wb, idx);

		/* 18.3.1.36 drawing CT_Drawing */
		if ((m = data.match(/drawing r:id="(.*?)"/))) s['!rel'] = m[1];

		if (rels['!id'][s['!rel']]) s['!drawel'] = rels['!id'][s['!rel']];
		return s;
	}
	function write_cs_xml(idx, opts, wb, rels) {
		var o = [XML_HEADER, CS_XML_ROOT];
		o[o.length] = writextag("drawing", null, { "r:id": "rId1" });
		add_rels(rels, -1, "../drawings/drawing" + (idx + 1) + ".xml", RELS.DRAW);
		if (o.length > 2) { o[o.length] = ('</chartsheet>'); o[1] = o[1].replace("/>", ">"); }
		return o.join("");
	}

	/* [MS-XLSB] 2.4.331 BrtCsProp */
	function parse_BrtCsProp(data, length) {
		data.l += 10;
		var name = parse_XLWideString(data, length - 10);
		return { name: name };
	}

	/* [MS-XLSB] 2.1.7.7 Chart Sheet */
	function parse_cs_bin(data, opts, idx, rels, wb) {
		if (!data) return data;
		if (!rels) rels = { '!id': {} };
		var s = { '!type': "chart", '!drawel': null, '!rel': "" };
		var state = [];
		var pass = false;
		recordhopper(data, function cs_parse(val, R_n, RT) {
			switch (RT) {

				case 0x0226: /* 'BrtDrawing' */
					s['!rel'] = val; break;

				case 0x028B: /* 'BrtCsProp' */
					if (!wb.Sheets[idx]) wb.Sheets[idx] = {};
					if (val.name) wb.Sheets[idx].CodeName = val.name;
					break;

				case 0x0232: /* 'BrtBkHim' */
				case 0x028C: /* 'BrtCsPageSetup' */
				case 0x029D: /* 'BrtCsProtection' */
				case 0x02A7: /* 'BrtCsProtectionIso' */
				case 0x0227: /* 'BrtLegacyDrawing' */
				case 0x0228: /* 'BrtLegacyDrawingHF' */
				case 0x01DC: /* 'BrtMargins' */
				case 0x0C00: /* 'BrtUid' */
					break;

				case 0x0023: /* 'BrtFRTBegin' */
					pass = true; break;
				case 0x0024: /* 'BrtFRTEnd' */
					pass = false; break;
				case 0x0025: /* 'BrtACBegin' */
					state.push(R_n); break;
				case 0x0026: /* 'BrtACEnd' */
					state.pop(); break;

				default:
					if ((R_n || "").indexOf("Begin") > 0) state.push(R_n);
					else if ((R_n || "").indexOf("End") > 0) state.pop();
					else if (!pass || opts.WTF) throw new Error("Unexpected record " + RT + " " + R_n);
			}
		}, opts);

		if (rels['!id'][s['!rel']]) s['!drawel'] = rels['!id'][s['!rel']];
		return s;
	}
	function write_cs_bin() {
		var ba = buf_array();
		write_record(ba, "BrtBeginSheet");
		/* [BrtCsProp] */
		/* CSVIEWS */
		/* [[BrtCsProtectionIso] BrtCsProtection] */
		/* [USERCSVIEWS] */
		/* [BrtMargins] */
		/* [BrtCsPageSetup] */
		/* [HEADERFOOTER] */
		/* BrtDrawing */
		/* [BrtLegacyDrawing] */
		/* [BrtLegacyDrawingHF] */
		/* [BrtBkHim] */
		/* [WEBPUBITEMS] */
		/* FRTCHARTSHEET */
		write_record(ba, "BrtEndSheet");
		return ba.end();
	}
	/* 18.2.28 (CT_WorkbookProtection) Defaults */
	var WBPropsDef = [
		['allowRefreshQuery', false, "bool"],
		['autoCompressPictures', true, "bool"],
		['backupFile', false, "bool"],
		['checkCompatibility', false, "bool"],
		['CodeName', ''],
		['date1904', false, "bool"],
		['defaultThemeVersion', 0, "int"],
		['filterPrivacy', false, "bool"],
		['hidePivotFieldList', false, "bool"],
		['promptedSolutions', false, "bool"],
		['publishItems', false, "bool"],
		['refreshAllConnections', false, "bool"],
		['saveExternalLinkValues', true, "bool"],
		['showBorderUnselectedTables', true, "bool"],
		['showInkAnnotation', true, "bool"],
		['showObjects', 'all'],
		['showPivotChartFilter', false, "bool"],
		['updateLinks', 'userSet']
	];

	/* 18.2.30 (CT_BookView) Defaults */
	var WBViewDef = [
		['activeTab', 0, "int"],
		['autoFilterDateGrouping', true, "bool"],
		['firstSheet', 0, "int"],
		['minimized', false, "bool"],
		['showHorizontalScroll', true, "bool"],
		['showSheetTabs', true, "bool"],
		['showVerticalScroll', true, "bool"],
		['tabRatio', 600, "int"],
		['visibility', 'visible']
		//window{Height,Width}, {x,y}Window
	];

	/* 18.2.19 (CT_Sheet) Defaults */
	var SheetDef = [
		//['state', 'visible']
	];

	/* 18.2.2  (CT_CalcPr) Defaults */
	var CalcPrDef = [
		['calcCompleted', 'true'],
		['calcMode', 'auto'],
		['calcOnSave', 'true'],
		['concurrentCalc', 'true'],
		['fullCalcOnLoad', 'false'],
		['fullPrecision', 'true'],
		['iterate', 'false'],
		['iterateCount', '100'],
		['iterateDelta', '0.001'],
		['refMode', 'A1']
	];

	/* 18.2.3 (CT_CustomWorkbookView) Defaults */
	/*var CustomWBViewDef = [
		['autoUpdate', 'false'],
		['changesSavedWin', 'false'],
		['includeHiddenRowCol', 'true'],
		['includePrintSettings', 'true'],
		['maximized', 'false'],
		['minimized', 'false'],
		['onlySync', 'false'],
		['personalView', 'false'],
		['showComments', 'commIndicator'],
		['showFormulaBar', 'true'],
		['showHorizontalScroll', 'true'],
		['showObjects', 'all'],
		['showSheetTabs', 'true'],
		['showStatusbar', 'true'],
		['showVerticalScroll', 'true'],
		['tabRatio', '600'],
		['xWindow', '0'],
		['yWindow', '0']
	];*/

	function push_defaults_array(target, defaults) {
		for (var j = 0; j != target.length; ++j) {
			var w = target[j];
			for (var i = 0; i != defaults.length; ++i) {
				var z = defaults[i];
				if (w[z[0]] == null) w[z[0]] = z[1];
				else switch (z[2]) {
					case "bool": if (typeof w[z[0]] == "string") w[z[0]] = parsexmlbool(w[z[0]]); break;
					case "int": if (typeof w[z[0]] == "string") w[z[0]] = parseInt(w[z[0]], 10); break;
				}
			}
		}
	}
	function push_defaults(target, defaults) {
		for (var i = 0; i != defaults.length; ++i) {
			var z = defaults[i];
			if (target[z[0]] == null) target[z[0]] = z[1];
			else switch (z[2]) {
				case "bool": if (typeof target[z[0]] == "string") target[z[0]] = parsexmlbool(target[z[0]]); break;
				case "int": if (typeof target[z[0]] == "string") target[z[0]] = parseInt(target[z[0]], 10); break;
			}
		}
	}

	function parse_wb_defaults(wb) {
		push_defaults(wb.WBProps, WBPropsDef);
		push_defaults(wb.CalcPr, CalcPrDef);

		push_defaults_array(wb.WBView, WBViewDef);
		push_defaults_array(wb.Sheets, SheetDef);

		_ssfopts.date1904 = parsexmlbool(wb.WBProps.date1904);
	}

	function safe1904(wb) {
		/* TODO: store date1904 somewhere else */
		if (!wb.Workbook) return "false";
		if (!wb.Workbook.WBProps) return "false";
		return parsexmlbool(wb.Workbook.WBProps.date1904) ? "true" : "false";
	}

	var badchars = "][*?\/\\".split("");
	function check_ws_name(n, safe) {
		if (n.length > 31) { if (safe) return false; throw new Error("Sheet names cannot exceed 31 chars"); }
		var _good = true;
		badchars.forEach(function (c) {
			if (n.indexOf(c) == -1) return;
			if (!safe) throw new Error("Sheet name cannot contain : \\ / ? * [ ]");
			_good = false;
		});
		return _good;
	}
	function check_wb_names(N, S, codes) {
		N.forEach(function (n, i) {
			check_ws_name(n);
			for (var j = 0; j < i; ++j) if (n == N[j]) throw new Error("Duplicate Sheet Name: " + n);
			if (codes) {
				var cn = (S && S[i] && S[i].CodeName) || n;
				if (cn.charCodeAt(0) == 95 && cn.length > 22) throw new Error("Bad Code Name: Worksheet" + cn);
			}
		});
	}
	function check_wb(wb) {
		if (!wb || !wb.SheetNames || !wb.Sheets) throw new Error("Invalid Workbook");
		if (!wb.SheetNames.length) throw new Error("Workbook is empty");
		var Sheets = (wb.Workbook && wb.Workbook.Sheets) || [];
		check_wb_names(wb.SheetNames, Sheets, !!wb.vbaraw);
		for (var i = 0; i < wb.SheetNames.length; ++i) check_ws(wb.Sheets[wb.SheetNames[i]], wb.SheetNames[i], i);
		/* TODO: validate workbook */
	}
	/* 18.2 Workbook */
	var wbnsregex = /<\w+:workbook/;
	function parse_wb_xml(data, opts) {
		if (!data) throw new Error("Could not find file");
		var wb = { AppVersion: {}, WBProps: {}, WBView: [], Sheets: [], CalcPr: {}, Names: [], xmlns: "" };
		var pass = false, xmlns = "xmlns";
		var dname = {}, dnstart = 0;
		data.replace(tagregex, function xml_wb(x, idx) {
			var y = parsexmltag(x);
			switch (strip_ns(y[0])) {
				case '<?xml': break;

				/* 18.2.27 workbook CT_Workbook 1 */
				case '<workbook':
					if (x.match(wbnsregex)) xmlns = "xmlns" + x.match(/<(\w+):/)[1];
					wb.xmlns = y[xmlns];
					break;
				case '</workbook>': break;

				/* 18.2.13 fileVersion CT_FileVersion ? */
				case '<fileVersion': delete y[0]; wb.AppVersion = y; break;
				case '<fileVersion/>': case '</fileVersion>': break;

				/* 18.2.12 fileSharing CT_FileSharing ? */
				case '<fileSharing':
					break;
				case '<fileSharing/>': break;

				/* 18.2.28 workbookPr CT_WorkbookPr ? */
				case '<workbookPr':
				case '<workbookPr/>':
					WBPropsDef.forEach(function (w) {
						if (y[w[0]] == null) return;
						switch (w[2]) {
							case "bool": wb.WBProps[w[0]] = parsexmlbool(y[w[0]]); break;
							case "int": wb.WBProps[w[0]] = parseInt(y[w[0]], 10); break;
							default: wb.WBProps[w[0]] = y[w[0]];
						}
					});
					if (y.codeName) wb.WBProps.CodeName = y.codeName;
					break;
				case '</workbookPr>': break;

				/* 18.2.29 workbookProtection CT_WorkbookProtection ? */
				case '<workbookProtection':
					break;
				case '<workbookProtection/>': break;

				/* 18.2.1  bookViews CT_BookViews ? */
				case '<bookViews': case '<bookViews>': case '</bookViews>': break;
				/* 18.2.30   workbookView CT_BookView + */
				case '<workbookView': case '<workbookView/>': delete y[0]; wb.WBView.push(y); break;
				case '</workbookView>': break;

				/* 18.2.20 sheets CT_Sheets 1 */
				case '<sheets': case '<sheets>': case '</sheets>': break; // aggregate sheet
				/* 18.2.19   sheet CT_Sheet + */
				case '<sheet':
					switch (y.state) {
						case "hidden": y.Hidden = 1; break;
						case "veryHidden": y.Hidden = 2; break;
						default: y.Hidden = 0;
					}
					delete y.state;
					y.name = unescapexml(utf8read(y.name));
					delete y[0]; wb.Sheets.push(y); break;
				case '</sheet>': break;

				/* 18.2.15 functionGroups CT_FunctionGroups ? */
				case '<functionGroups': case '<functionGroups/>': break;
				/* 18.2.14   functionGroup CT_FunctionGroup + */
				case '<functionGroup': break;

				/* 18.2.9  externalReferences CT_ExternalReferences ? */
				case '<externalReferences': case '</externalReferences>': case '<externalReferences>': break;
				/* 18.2.8    externalReference CT_ExternalReference + */
				case '<externalReference': break;

				/* 18.2.6  definedNames CT_DefinedNames ? */
				case '<definedNames/>': break;
				case '<definedNames>': case '<definedNames': pass = true; break;
				case '</definedNames>': pass = false; break;
				/* 18.2.5    definedName CT_DefinedName + */
				case '<definedName': {
					dname = {};
					dname.Name = utf8read(y.name);
					if (y.comment) dname.Comment = y.comment;
					if (y.localSheetId) dname.Sheet = +y.localSheetId;
					if (parsexmlbool(y.hidden || "0")) dname.Hidden = true;
					dnstart = idx + x.length;
				} break;
				case '</definedName>': {
					dname.Ref = unescapexml(utf8read(data.slice(dnstart, idx)));
					wb.Names.push(dname);
				} break;
				case '<definedName/>': break;

				/* 18.2.2  calcPr CT_CalcPr ? */
				case '<calcPr': delete y[0]; wb.CalcPr = y; break;
				case '<calcPr/>': delete y[0]; wb.CalcPr = y; break;
				case '</calcPr>': break;

				/* 18.2.16 oleSize CT_OleSize ? (ref required) */
				case '<oleSize': break;

				/* 18.2.4  customWorkbookViews CT_CustomWorkbookViews ? */
				case '<customWorkbookViews>': case '</customWorkbookViews>': case '<customWorkbookViews': break;
				/* 18.2.3  customWorkbookView CT_CustomWorkbookView + */
				case '<customWorkbookView': case '</customWorkbookView>': break;

				/* 18.2.18 pivotCaches CT_PivotCaches ? */
				case '<pivotCaches>': case '</pivotCaches>': case '<pivotCaches': break;
				/* 18.2.17 pivotCache CT_PivotCache ? */
				case '<pivotCache': break;

				/* 18.2.21 smartTagPr CT_SmartTagPr ? */
				case '<smartTagPr': case '<smartTagPr/>': break;

				/* 18.2.23 smartTagTypes CT_SmartTagTypes ? */
				case '<smartTagTypes': case '<smartTagTypes>': case '</smartTagTypes>': break;
				/* 18.2.22 smartTagType CT_SmartTagType ? */
				case '<smartTagType': break;

				/* 18.2.24 webPublishing CT_WebPublishing ? */
				case '<webPublishing': case '<webPublishing/>': break;

				/* 18.2.11 fileRecoveryPr CT_FileRecoveryPr ? */
				case '<fileRecoveryPr': case '<fileRecoveryPr/>': break;

				/* 18.2.26 webPublishObjects CT_WebPublishObjects ? */
				case '<webPublishObjects>': case '<webPublishObjects': case '</webPublishObjects>': break;
				/* 18.2.25 webPublishObject CT_WebPublishObject ? */
				case '<webPublishObject': break;

				/* 18.2.10 extLst CT_ExtensionList ? */
				case '<extLst': case '<extLst>': case '</extLst>': case '<extLst/>': break;
				/* 18.2.7  ext CT_Extension + */
				case '<ext': pass = true; break; //TODO: check with versions of excel
				case '</ext>': pass = false; break;

				/* Others */
				case '<ArchID': break;
				case '<AlternateContent':
				case '<AlternateContent>': pass = true; break;
				case '</AlternateContent>': pass = false; break;

				/* TODO */
				case '<revisionPtr': break;

				default: if (!pass && opts.WTF) throw new Error('unrecognized ' + y[0] + ' in workbook');
			}
			return x;
		});
		if (XMLNS.main.indexOf(wb.xmlns) === -1) throw new Error("Unknown Namespace: " + wb.xmlns);

		parse_wb_defaults(wb);

		return wb;
	}

	var WB_XML_ROOT = writextag('workbook', null, {
		'xmlns': XMLNS.main[0],
		//'xmlns:mx': XMLNS.mx,
		//'xmlns:s': XMLNS.main[0],
		'xmlns:r': XMLNS.r
	});

	function write_wb_xml(wb) {
		var o = [XML_HEADER];
		o[o.length] = WB_XML_ROOT;

		var write_names = (wb.Workbook && (wb.Workbook.Names || []).length > 0);

		/* fileVersion */
		/* fileSharing */

		var workbookPr = ({ codeName: "ThisWorkbook" });
		if (wb.Workbook && wb.Workbook.WBProps) {
			WBPropsDef.forEach(function (x) {
				if ((wb.Workbook.WBProps[x[0]]) == null) return;
				if ((wb.Workbook.WBProps[x[0]]) == x[1]) return;
				workbookPr[x[0]] = (wb.Workbook.WBProps[x[0]]);
			});
			if (wb.Workbook.WBProps.CodeName) { workbookPr.codeName = wb.Workbook.WBProps.CodeName; delete workbookPr.CodeName; }
		}
		o[o.length] = (writextag('workbookPr', null, workbookPr));

		/* workbookProtection */

		var sheets = wb.Workbook && wb.Workbook.Sheets || [];
		var i = 0;

		/* bookViews */

		o[o.length] = "<sheets>";
		for (i = 0; i != wb.SheetNames.length; ++i) {
			var sht = ({ name: escapexml(wb.SheetNames[i].slice(0, 31)) });
			sht.sheetId = "" + (i + 1);
			sht["r:id"] = "rId" + (i + 1);
			if (sheets[i]) switch (sheets[i].Hidden) {
				case 1: sht.state = "hidden"; break;
				case 2: sht.state = "veryHidden"; break;
			}
			o[o.length] = (writextag('sheet', null, sht));
		}
		o[o.length] = "</sheets>";

		/* functionGroups */
		/* externalReferences */

		if (write_names) {
			o[o.length] = "<definedNames>";
			if (wb.Workbook && wb.Workbook.Names) wb.Workbook.Names.forEach(function (n) {
				var d = { name: n.Name };
				if (n.Comment) d.comment = n.Comment;
				if (n.Sheet != null) d.localSheetId = "" + n.Sheet;
				if (n.Hidden) d.hidden = "1";
				if (!n.Ref) return;
				o[o.length] = writextag('definedName', String(n.Ref).replace(/</g, "&lt;").replace(/>/g, "&gt;"), d);
			});
			o[o.length] = "</definedNames>";
		}

		/* calcPr */
		/* oleSize */
		/* customWorkbookViews */
		/* pivotCaches */
		/* smartTagPr */
		/* smartTagTypes */
		/* webPublishing */
		/* fileRecoveryPr */
		/* webPublishObjects */
		/* extLst */

		if (o.length > 2) { o[o.length] = '</workbook>'; o[1] = o[1].replace("/>", ">"); }
		return o.join("");
	}
	/* [MS-XLSB] 2.4.304 BrtBundleSh */
	function parse_BrtBundleSh(data, length) {
		var z = {};
		z.Hidden = data.read_shift(4); //hsState ST_SheetState
		z.iTabID = data.read_shift(4);
		z.strRelID = parse_RelID(data, length - 8);
		z.name = parse_XLWideString(data);
		return z;
	}
	function write_BrtBundleSh(data, o) {
		if (!o) o = new_buf(127);
		o.write_shift(4, data.Hidden);
		o.write_shift(4, data.iTabID);
		write_RelID(data.strRelID, o);
		write_XLWideString(data.name.slice(0, 31), o);
		return o.length > o.l ? o.slice(0, o.l) : o;
	}

	/* [MS-XLSB] 2.4.815 BrtWbProp */
	function parse_BrtWbProp(data, length) {
		var o = ({});
		var flags = data.read_shift(4);
		o.defaultThemeVersion = data.read_shift(4);
		var strName = (length > 8) ? parse_XLWideString(data) : "";
		if (strName.length > 0) o.CodeName = strName;
		o.autoCompressPictures = !!(flags & 0x10000);
		o.backupFile = !!(flags & 0x40);
		o.checkCompatibility = !!(flags & 0x1000);
		o.date1904 = !!(flags & 0x01);
		o.filterPrivacy = !!(flags & 0x08);
		o.hidePivotFieldList = !!(flags & 0x400);
		o.promptedSolutions = !!(flags & 0x10);
		o.publishItems = !!(flags & 0x800);
		o.refreshAllConnections = !!(flags & 0x40000);
		o.saveExternalLinkValues = !!(flags & 0x80);
		o.showBorderUnselectedTables = !!(flags & 0x04);
		o.showInkAnnotation = !!(flags & 0x20);
		o.showObjects = ["all", "placeholders", "none"][(flags >> 13) & 0x03];
		o.showPivotChartFilter = !!(flags & 0x8000);
		o.updateLinks = ["userSet", "never", "always"][(flags >> 8) & 0x03];
		return o;
	}
	function write_BrtWbProp(data, o) {
		if (!o) o = new_buf(72);
		var flags = 0;
		if (data) {
			/* TODO: mirror parse_BrtWbProp fields */
			if (data.filterPrivacy) flags |= 0x08;
		}
		o.write_shift(4, flags);
		o.write_shift(4, 0);
		write_XLSBCodeName(data && data.CodeName || "ThisWorkbook", o);
		return o.slice(0, o.l);
	}

	function parse_BrtFRTArchID$(data, length) {
		var o = {};
		data.read_shift(4);
		o.ArchID = data.read_shift(4);
		data.l += length - 8;
		return o;
	}

	/* [MS-XLSB] 2.4.687 BrtName */
	function parse_BrtName(data, length, opts) {
		var end = data.l + length;
		data.l += 4; //var flags = data.read_shift(4);
		data.l += 1; //var chKey = data.read_shift(1);
		var itab = data.read_shift(4);
		var name = parse_XLNameWideString(data);
		var formula = parse_XLSBNameParsedFormula(data, 0, opts);
		var comment = parse_XLNullableWideString(data);
		//if(0 /* fProc */) {
		// unusedstring1: XLNullableWideString
		// description: XLNullableWideString
		// helpTopic: XLNullableWideString
		// unusedstring2: XLNullableWideString
		//}
		data.l = end;
		var out = ({ Name: name, Ptg: formula });
		if (itab < 0xFFFFFFF) out.Sheet = itab;
		if (comment) out.Comment = comment;
		return out;
	}

	/* [MS-XLSB] 2.1.7.61 Workbook */
	function parse_wb_bin(data, opts) {
		var wb = { AppVersion: {}, WBProps: {}, WBView: [], Sheets: [], CalcPr: {}, xmlns: "" };
		var state = [];
		var pass = false;

		if (!opts) opts = {};
		opts.biff = 12;

		var Names = [];
		var supbooks = ([[]]);
		supbooks.SheetNames = [];
		supbooks.XTI = [];

		recordhopper(data, function hopper_wb(val, R_n, RT) {
			switch (RT) {
				case 0x009C: /* 'BrtBundleSh' */
					supbooks.SheetNames.push(val.name);
					wb.Sheets.push(val); break;

				case 0x0099: /* 'BrtWbProp' */
					wb.WBProps = val; break;

				case 0x0027: /* 'BrtName' */
					if (val.Sheet != null) opts.SID = val.Sheet;
					val.Ref = stringify_formula(val.Ptg, null, null, supbooks, opts);
					delete opts.SID;
					delete val.Ptg;
					Names.push(val);
					break;
				case 0x040C: /* 'BrtNameExt' */ break;

				case 0x0165: /* 'BrtSupSelf' */
				case 0x0166: /* 'BrtSupSame' */
				case 0x0163: /* 'BrtSupBookSrc' */
				case 0x029B: /* 'BrtSupAddin' */
					if (!supbooks[0].length) supbooks[0] = [RT, val];
					else supbooks.push([RT, val]);
					supbooks[supbooks.length - 1].XTI = [];
					break;
				case 0x016A: /* 'BrtExternSheet' */
					if (supbooks.length === 0) { supbooks[0] = []; supbooks[0].XTI = []; }
					supbooks[supbooks.length - 1].XTI = supbooks[supbooks.length - 1].XTI.concat(val);
					supbooks.XTI = supbooks.XTI.concat(val);
					break;
				case 0x0169: /* 'BrtPlaceholderName' */
					break;

				/* case 'BrtModelTimeGroupingCalcCol' */
				case 0x0C00: /* 'BrtUid' */
				case 0x0C01: /* 'BrtRevisionPtr' */
				case 0x0817: /* 'BrtAbsPath15' */
				case 0x0216: /* 'BrtBookProtection' */
				case 0x02A5: /* 'BrtBookProtectionIso' */
				case 0x009E: /* 'BrtBookView' */
				case 0x009D: /* 'BrtCalcProp' */
				case 0x0262: /* 'BrtCrashRecErr' */
				case 0x0802: /* 'BrtDecoupledPivotCacheID' */
				case 0x009B: /* 'BrtFileRecover' */
				case 0x0224: /* 'BrtFileSharing' */
				case 0x02A4: /* 'BrtFileSharingIso' */
				case 0x0080: /* 'BrtFileVersion' */
				case 0x0299: /* 'BrtFnGroup' */
				case 0x0850: /* 'BrtModelRelationship' */
				case 0x084D: /* 'BrtModelTable' */
				case 0x0225: /* 'BrtOleSize' */
				case 0x0805: /* 'BrtPivotTableRef' */
				case 0x0254: /* 'BrtSmartTagType' */
				case 0x081C: /* 'BrtTableSlicerCacheID' */
				case 0x081B: /* 'BrtTableSlicerCacheIDs' */
				case 0x0822: /* 'BrtTimelineCachePivotCacheID' */
				case 0x018D: /* 'BrtUserBookView' */
				case 0x009A: /* 'BrtWbFactoid' */
				case 0x045D: /* 'BrtWbProp14' */
				case 0x0229: /* 'BrtWebOpt' */
				case 0x082B: /* 'BrtWorkBookPr15' */
					break;

				case 0x0023: /* 'BrtFRTBegin' */
					state.push(R_n); pass = true; break;
				case 0x0024: /* 'BrtFRTEnd' */
					state.pop(); pass = false; break;
				case 0x0025: /* 'BrtACBegin' */
					state.push(R_n); pass = true; break;
				case 0x0026: /* 'BrtACEnd' */
					state.pop(); pass = false; break;

				case 0x0010: /* 'BrtFRTArchID$' */ break;

				default:
					if ((R_n || "").indexOf("Begin") > 0) {/* empty */ }
					else if ((R_n || "").indexOf("End") > 0) {/* empty */ }
					else if (!pass || (opts.WTF && state[state.length - 1] != "BrtACBegin" && state[state.length - 1] != "BrtFRTBegin")) throw new Error("Unexpected record " + RT + " " + R_n);
			}
		}, opts);

		parse_wb_defaults(wb);

		// $FlowIgnore
		wb.Names = Names;

		(wb).supbooks = supbooks;
		return wb;
	}

	function write_BUNDLESHS(ba, wb) {
		write_record(ba, "BrtBeginBundleShs");
		for (var idx = 0; idx != wb.SheetNames.length; ++idx) {
			var viz = wb.Workbook && wb.Workbook.Sheets && wb.Workbook.Sheets[idx] && wb.Workbook.Sheets[idx].Hidden || 0;
			var d = { Hidden: viz, iTabID: idx + 1, strRelID: 'rId' + (idx + 1), name: wb.SheetNames[idx] };
			write_record(ba, "BrtBundleSh", write_BrtBundleSh(d));
		}
		write_record(ba, "BrtEndBundleShs");
	}

	/* [MS-XLSB] 2.4.649 BrtFileVersion */
	function write_BrtFileVersion(data, o) {
		if (!o) o = new_buf(127);
		for (var i = 0; i != 4; ++i) o.write_shift(4, 0);
		write_XLWideString("SheetJS", o);
		write_XLWideString(XLSX.version, o);
		write_XLWideString(XLSX.version, o);
		write_XLWideString("7262", o);
		o.length = o.l;
		return o.length > o.l ? o.slice(0, o.l) : o;
	}

	/* [MS-XLSB] 2.4.301 BrtBookView */
	function write_BrtBookView(idx, o) {
		if (!o) o = new_buf(29);
		o.write_shift(-4, 0);
		o.write_shift(-4, 460);
		o.write_shift(4, 28800);
		o.write_shift(4, 17600);
		o.write_shift(4, 500);
		o.write_shift(4, idx);
		o.write_shift(4, idx);
		var flags = 0x78;
		o.write_shift(1, flags);
		return o.length > o.l ? o.slice(0, o.l) : o;
	}

	function write_BOOKVIEWS(ba, wb) {
		/* required if hidden tab appears before visible tab */
		if (!wb.Workbook || !wb.Workbook.Sheets) return;
		var sheets = wb.Workbook.Sheets;
		var i = 0, vistab = -1, hidden = -1;
		for (; i < sheets.length; ++i) {
			if (!sheets[i] || !sheets[i].Hidden && vistab == -1) vistab = i;
			else if (sheets[i].Hidden == 1 && hidden == -1) hidden = i;
		}
		if (hidden > vistab) return;
		write_record(ba, "BrtBeginBookViews");
		write_record(ba, "BrtBookView", write_BrtBookView(vistab));
		/* 1*(BrtBookView *FRT) */
		write_record(ba, "BrtEndBookViews");
	}

	/* [MS-XLSB] 2.4.305 BrtCalcProp */
	/*function write_BrtCalcProp(data, o) {
		if(!o) o = new_buf(26);
		o.write_shift(4,0); // force recalc
		o.write_shift(4,1);
		o.write_shift(4,0);
		write_Xnum(0, o);
		o.write_shift(-4, 1023);
		o.write_shift(1, 0x33);
		o.write_shift(1, 0x00);
		return o;
	}*/

	/* [MS-XLSB] 2.4.646 BrtFileRecover */
	/*function write_BrtFileRecover(data, o) {
		if(!o) o = new_buf(1);
		o.write_shift(1,0);
		return o;
	}*/

	/* [MS-XLSB] 2.1.7.61 Workbook */
	function write_wb_bin(wb, opts) {
		var ba = buf_array();
		write_record(ba, "BrtBeginBook");
		write_record(ba, "BrtFileVersion", write_BrtFileVersion());
		/* [[BrtFileSharingIso] BrtFileSharing] */
		write_record(ba, "BrtWbProp", write_BrtWbProp(wb.Workbook && wb.Workbook.WBProps || null));
		/* [ACABSPATH] */
		/* [[BrtBookProtectionIso] BrtBookProtection] */
		write_BOOKVIEWS(ba, wb, opts);
		write_BUNDLESHS(ba, wb, opts);
		/* [FNGROUP] */
		/* [EXTERNALS] */
		/* *BrtName */
		/* write_record(ba, "BrtCalcProp", write_BrtCalcProp()); */
		/* [BrtOleSize] */
		/* *(BrtUserBookView *FRT) */
		/* [PIVOTCACHEIDS] */
		/* [BrtWbFactoid] */
		/* [SMARTTAGTYPES] */
		/* [BrtWebOpt] */
		/* write_record(ba, "BrtFileRecover", write_BrtFileRecover()); */
		/* [WEBPUBITEMS] */
		/* [CRERRS] */
		/* FRTWORKBOOK */
		write_record(ba, "BrtEndBook");

		return ba.end();
	}
	function parse_wb(data, name, opts) {
		if (name.slice(-4) === ".bin") return parse_wb_bin((data), opts);
		return parse_wb_xml((data), opts);
	}

	function parse_ws(data, name, idx, opts, rels, wb, themes, styles) {
		if (name.slice(-4) === ".bin") return parse_ws_bin((data), opts, idx, rels, wb, themes, styles);
		return parse_ws_xml((data), opts, idx, rels, wb, themes, styles);
	}

	function parse_cs(data, name, idx, opts, rels, wb, themes, styles) {
		if (name.slice(-4) === ".bin") return parse_cs_bin((data), opts, idx, rels, wb, themes, styles);
		return parse_cs_xml((data), opts, idx, rels, wb, themes, styles);
	}

	function parse_ms(data, name, idx, opts, rels, wb, themes, styles) {
		if (name.slice(-4) === ".bin") return parse_ms_bin((data), opts, idx, rels, wb, themes, styles);
		return parse_ms_xml((data), opts, idx, rels, wb, themes, styles);
	}

	function parse_ds(data, name, idx, opts, rels, wb, themes, styles) {
		if (name.slice(-4) === ".bin") return parse_ds_bin((data), opts, idx, rels, wb, themes, styles);
		return parse_ds_xml((data), opts, idx, rels, wb, themes, styles);
	}

	function parse_sty(data, name, themes, opts) {
		if (name.slice(-4) === ".bin") return parse_sty_bin((data), themes, opts);
		return parse_sty_xml((data), themes, opts);
	}

	function parse_theme(data, name, opts) {
		return parse_theme_xml(data, opts);
	}

	function parse_sst(data, name, opts) {
		if (name.slice(-4) === ".bin") return parse_sst_bin((data), opts);
		return parse_sst_xml((data), opts);
	}

	function parse_cmnt(data, name, opts) {
		if (name.slice(-4) === ".bin") return parse_comments_bin((data), opts);
		return parse_comments_xml((data), opts);
	}

	function parse_cc(data, name, opts) {
		if (name.slice(-4) === ".bin") return parse_cc_bin((data), name, opts);
		return parse_cc_xml((data), name, opts);
	}

	function parse_xlink(data, rel, name, opts) {
		if (name.slice(-4) === ".bin") return parse_xlink_bin((data), rel, name, opts);
		return parse_xlink_xml((data), rel, name, opts);
	}

	function write_wb(wb, name, opts) {
		return (name.slice(-4) === ".bin" ? write_wb_bin : write_wb_xml)(wb, opts);
	}

	function write_ws(data, name, opts, wb, rels) {
		return (name.slice(-4) === ".bin" ? write_ws_bin : write_ws_xml)(data, opts, wb, rels);
	}

	// eslint-disable-next-line no-unused-vars
	function write_cs(data, name, opts, wb, rels) {
		return (name.slice(-4) === ".bin" ? write_cs_bin : write_cs_xml)(data, opts, wb, rels);
	}

	function write_sty(data, name, opts) {
		return (name.slice(-4) === ".bin" ? write_sty_bin : write_sty_xml)(data, opts);
	}

	function write_sst(data, name, opts) {
		return (name.slice(-4) === ".bin" ? write_sst_bin : write_sst_xml)(data, opts);
	}

	function write_cmnt(data, name, opts) {
		return (name.slice(-4) === ".bin" ? write_comments_bin : write_comments_xml)(data, opts);
	}
	/*
	function write_cc(data, name:string, opts) {
		return (name.slice(-4)===".bin" ? write_cc_bin : write_cc_xml)(data, opts);
	}
	*/
	var attregexg2 = /([\w:]+)=((?:")([^"]*)(?:")|(?:')([^']*)(?:'))/g;
	var attregex2 = /([\w:]+)=((?:")(?:[^"]*)(?:")|(?:')(?:[^']*)(?:'))/;
	function xlml_parsexmltag(tag, skip_root) {
		var words = tag.split(/\s+/);
		var z = ([]); if (!skip_root) z[0] = words[0];
		if (words.length === 1) return z;
		var m = tag.match(attregexg2), y, j, w, i;
		if (m) for (i = 0; i != m.length; ++i) {
			y = m[i].match(attregex2);
			if ((j = y[1].indexOf(":")) === -1) z[y[1]] = y[2].slice(1, y[2].length - 1);
			else {
				if (y[1].slice(0, 6) === "xmlns:") w = "xmlns" + y[1].slice(6);
				else w = y[1].slice(j + 1);
				z[w] = y[2].slice(1, y[2].length - 1);
			}
		}
		return z;
	}
	function xlml_parsexmltagobj(tag) {
		var words = tag.split(/\s+/);
		var z = {};
		if (words.length === 1) return z;
		var m = tag.match(attregexg2), y, j, w, i;
		if (m) for (i = 0; i != m.length; ++i) {
			y = m[i].match(attregex2);
			if ((j = y[1].indexOf(":")) === -1) z[y[1]] = y[2].slice(1, y[2].length - 1);
			else {
				if (y[1].slice(0, 6) === "xmlns:") w = "xmlns" + y[1].slice(6);
				else w = y[1].slice(j + 1);
				z[w] = y[2].slice(1, y[2].length - 1);
			}
		}
		return z;
	}

	// ----

	function xlml_format(format, value) {
		var fmt = XLMLFormatMap[format] || unescapexml(format);
		if (fmt === "General") return SSF._general(value);
		return SSF.format(fmt, value);
	}

	function xlml_set_custprop(Custprops, key, cp, val) {
		var oval = val;
		switch ((cp[0].match(/dt:dt="([\w.]+)"/) || ["", ""])[1]) {
			case "boolean": oval = parsexmlbool(val); break;
			case "i2": case "int": oval = parseInt(val, 10); break;
			case "r4": case "float": oval = parseFloat(val); break;
			case "date": case "dateTime.tz": oval = parseDate(val); break;
			case "i8": case "string": case "fixed": case "uuid": case "bin.base64": break;
			default: throw new Error("bad custprop:" + cp[0]);
		}
		Custprops[unescapexml(key)] = oval;
	}

	function safe_format_xlml(cell, nf, o) {
		if (cell.t === 'z') return;
		if (!o || o.cellText !== false) try {
			if (cell.t === 'e') { cell.w = cell.w || BErr[cell.v]; }
			else if (nf === "General") {
				if (cell.t === 'n') {
					if ((cell.v | 0) === cell.v) cell.w = SSF._general_int(cell.v);
					else cell.w = SSF._general_num(cell.v);
				}
				else cell.w = SSF._general(cell.v);
			}
			else cell.w = xlml_format(nf || "General", cell.v);
		} catch (e) { if (o.WTF) throw e; }
		try {
			var z = XLMLFormatMap[nf] || nf || "General";
			if (o.cellNF) cell.z = z;
			if (o.cellDates && cell.t == 'n' && SSF.is_date(z)) {
				var _d = SSF.parse_date_code(cell.v); if (_d) { cell.t = 'd'; cell.v = new Date(_d.y, _d.m - 1, _d.d, _d.H, _d.M, _d.S, _d.u); }
			}
		} catch (e) { if (o.WTF) throw e; }
	}

	function process_style_xlml(styles, stag, opts) {
		if (opts.cellStyles) {
			if (stag.Interior) {
				var I = stag.Interior;
				if (I.Pattern) I.patternType = XLMLPatternTypeMap[I.Pattern] || I.Pattern;
			}
		}
		styles[stag.ID] = stag;
	}

	/* TODO: there must exist some form of OSP-blessed spec */
	function parse_xlml_data(xml, ss, data, cell, base, styles, csty, row, arrayf, o) {
		var nf = "General", sid = cell.StyleID, S = {}; o = o || {};
		var interiors = [];
		var i = 0;
		if (sid === undefined && row) sid = row.StyleID;
		if (sid === undefined && csty) sid = csty.StyleID;
		while (styles[sid] !== undefined) {
			if (styles[sid].nf) nf = styles[sid].nf;
			if (styles[sid].Interior) interiors.push(styles[sid].Interior);
			if (!styles[sid].Parent) break;
			sid = styles[sid].Parent;
		}
		switch (data.Type) {
			case 'Boolean':
				cell.t = 'b';
				cell.v = parsexmlbool(xml);
				break;
			case 'String':
				cell.t = 's'; cell.r = xlml_fixstr(unescapexml(xml));
				cell.v = xml.indexOf("<") > -1 ? unescapexml(ss || xml) : cell.r;
				break;
			case 'DateTime':
				if (xml.slice(-1) != "Z") xml += "Z";
				cell.v = (parseDate(xml) - new Date(Date.UTC(1899, 11, 30))) / (24 * 60 * 60 * 1000);
				if (cell.v !== cell.v) cell.v = unescapexml(xml);
				else if (cell.v < 60) cell.v = cell.v - 1;
				if (!nf || nf == "General") nf = "yyyy-mm-dd";
			/* falls through */
			case 'Number':
				if (cell.v === undefined) cell.v = +xml;
				if (!cell.t) cell.t = 'n';
				break;
			case 'Error': cell.t = 'e'; cell.v = RBErr[xml]; if (o.cellText !== false) cell.w = xml; break;
			default: cell.t = 's'; cell.v = xlml_fixstr(ss || xml); break;
		}
		safe_format_xlml(cell, nf, o);
		if (o.cellFormula !== false) {
			if (cell.Formula) {
				var fstr = unescapexml(cell.Formula);
				/* strictly speaking, the leading = is required but some writers omit */
				if (fstr.charCodeAt(0) == 61 /* = */) fstr = fstr.slice(1);
				cell.f = rc_to_a1(fstr, base);
				delete cell.Formula;
				if (cell.ArrayRange == "RC") cell.F = rc_to_a1("RC:RC", base);
				else if (cell.ArrayRange) {
					cell.F = rc_to_a1(cell.ArrayRange, base);
					arrayf.push([safe_decode_range(cell.F), cell.F]);
				}
			} else {
				for (i = 0; i < arrayf.length; ++i)
					if (base.r >= arrayf[i][0].s.r && base.r <= arrayf[i][0].e.r)
						if (base.c >= arrayf[i][0].s.c && base.c <= arrayf[i][0].e.c)
							cell.F = arrayf[i][1];
			}
		}
		if (o.cellStyles) {
			interiors.forEach(function (x) {
				if (!S.patternType && x.patternType) S.patternType = x.patternType;
			});
			cell.s = S;
		}
		if (cell.StyleID !== undefined) cell.ixfe = cell.StyleID;
	}

	function xlml_clean_comment(comment) {
		comment.t = comment.v || "";
		comment.t = comment.t.replace(/\r\n/g, "\n").replace(/\r/g, "\n");
		comment.v = comment.w = comment.ixfe = undefined;
	}

	function xlml_normalize(d) {
		if (has_buf && Buffer.isBuffer(d)) return d.toString('utf8');
		if (typeof d === 'string') return d;
		/* duktape */
		if (typeof Uint8Array !== 'undefined' && d instanceof Uint8Array) return utf8read(a2s(ab2a(d)));
		throw new Error("Bad input format: expected Buffer or string");
	}

	/* TODO: Everything */
	/* UOS uses CJK in tags */
	var xlmlregex = /<(\/?)([^\s?>!\/:]*:|)([^\s?>:\/]+)[^>]*>/mg;
	//var xlmlregex = /<(\/?)([a-z0-9]*:|)(\w+)[^>]*>/mg;
	function parse_xlml_xml(d, _opts) {
		var opts = _opts || {};
		make_ssf(SSF);
		var str = debom(xlml_normalize(d));
		if (opts.type == 'binary' || opts.type == 'array' || opts.type == 'base64') {
			if (typeof cptable !== 'undefined') str = cptable.utils.decode(65001, char_codes(str));
			else str = utf8read(str);
		}
		var opening = str.slice(0, 1024).toLowerCase(), ishtml = false;
		if (opening.indexOf("<?xml") == -1) ["html", "table", "head", "meta", "script", "style", "div"].forEach(function (tag) { if (opening.indexOf("<" + tag) >= 0) ishtml = true; });
		if (ishtml) return HTML_.to_workbook(str, opts);
		var Rn;
		var state = [], tmp;
		if (DENSE != null && opts.dense == null) opts.dense = DENSE;
		var sheets = {}, sheetnames = [], cursheet = (opts.dense ? [] : {}), sheetname = "";
		var table = {}, cell = ({}), row = {};// eslint-disable-line no-unused-vars
		var dtag = xlml_parsexmltag('<Data ss:Type="String">'), didx = 0;
		var c = 0, r = 0;
		var refguess = { s: { r: 2000000, c: 2000000 }, e: { r: 0, c: 0 } };
		var styles = {}, stag = {};
		var ss = "", fidx = 0;
		var merges = [];
		var Props = {}, Custprops = {}, pidx = 0, cp = [];
		var comments = [], comment = ({});
		var cstys = [], csty, seencol = false;
		var arrayf = [];
		var rowinfo = [], rowobj = {}, cc = 0, rr = 0;
		var Workbook = ({ Sheets: [], WBProps: { date1904: false } }), wsprops = {};
		xlmlregex.lastIndex = 0;
		str = str.replace(/<!--([\s\S]*?)-->/mg, "");
		while ((Rn = xlmlregex.exec(str))) switch (Rn[3]) {
			case 'Data':
				if (state[state.length - 1][1]) break;
				if (Rn[1] === '/') parse_xlml_data(str.slice(didx, Rn.index), ss, dtag, state[state.length - 1][0] == "Comment" ? comment : cell, { c: c, r: r }, styles, cstys[c], row, arrayf, opts);
				else { ss = ""; dtag = xlml_parsexmltag(Rn[0]); didx = Rn.index + Rn[0].length; }
				break;
			case 'Cell':
				if (Rn[1] === '/') {
					if (comments.length > 0) cell.c = comments;
					if ((!opts.sheetRows || opts.sheetRows > r) && cell.v !== undefined) {
						if (opts.dense) {
							if (!cursheet[r]) cursheet[r] = [];
							cursheet[r][c] = cell;
						} else cursheet[encode_col(c) + encode_row(r)] = cell;
					}
					if (cell.HRef) {
						cell.l = ({ Target: cell.HRef });
						if (cell.HRefScreenTip) cell.l.Tooltip = cell.HRefScreenTip;
						delete cell.HRef; delete cell.HRefScreenTip;
					}
					if (cell.MergeAcross || cell.MergeDown) {
						cc = c + (parseInt(cell.MergeAcross, 10) | 0);
						rr = r + (parseInt(cell.MergeDown, 10) | 0);
						merges.push({ s: { c: c, r: r }, e: { c: cc, r: rr } });
					}
					if (!opts.sheetStubs) { if (cell.MergeAcross) c = cc + 1; else ++c; }
					else if (cell.MergeAcross || cell.MergeDown) {
						for (var cma = c; cma <= cc; ++cma) {
							for (var cmd = r; cmd <= rr; ++cmd) {
								if (cma > c || cmd > r) {
									if (opts.dense) {
										if (!cursheet[cmd]) cursheet[cmd] = [];
										cursheet[cmd][cma] = { t: 'z' };
									} else cursheet[encode_col(cma) + encode_row(cmd)] = { t: 'z' };
								}
							}
						}
						c = cc + 1;
					}
					else ++c;
				} else {
					cell = xlml_parsexmltagobj(Rn[0]);
					if (cell.Index) c = +cell.Index - 1;
					if (c < refguess.s.c) refguess.s.c = c;
					if (c > refguess.e.c) refguess.e.c = c;
					if (Rn[0].slice(-2) === "/>") ++c;
					comments = [];
				}
				break;
			case 'Row':
				if (Rn[1] === '/' || Rn[0].slice(-2) === "/>") {
					if (r < refguess.s.r) refguess.s.r = r;
					if (r > refguess.e.r) refguess.e.r = r;
					if (Rn[0].slice(-2) === "/>") {
						row = xlml_parsexmltag(Rn[0]);
						if (row.Index) r = +row.Index - 1;
					}
					c = 0; ++r;
				} else {
					row = xlml_parsexmltag(Rn[0]);
					if (row.Index) r = +row.Index - 1;
					rowobj = {};
					if (row.AutoFitHeight == "0" || row.Height) {
						rowobj.hpx = parseInt(row.Height, 10); rowobj.hpt = px2pt(rowobj.hpx);
						rowinfo[r] = rowobj;
					}
					if (row.Hidden == "1") { rowobj.hidden = true; rowinfo[r] = rowobj; }
				}
				break;
			case 'Worksheet': /* TODO: read range from FullRows/FullColumns */
				if (Rn[1] === '/') {
					if ((tmp = state.pop())[0] !== Rn[3]) throw new Error("Bad state: " + tmp.join("|"));
					sheetnames.push(sheetname);
					if (refguess.s.r <= refguess.e.r && refguess.s.c <= refguess.e.c) {
						cursheet["!ref"] = encode_range(refguess);
						if (opts.sheetRows && opts.sheetRows <= refguess.e.r) {
							cursheet["!fullref"] = cursheet["!ref"];
							refguess.e.r = opts.sheetRows - 1;
							cursheet["!ref"] = encode_range(refguess);
						}
					}
					if (merges.length) cursheet["!merges"] = merges;
					if (cstys.length > 0) cursheet["!cols"] = cstys;
					if (rowinfo.length > 0) cursheet["!rows"] = rowinfo;
					sheets[sheetname] = cursheet;
				} else {
					refguess = { s: { r: 2000000, c: 2000000 }, e: { r: 0, c: 0 } };
					r = c = 0;
					state.push([Rn[3], false]);
					tmp = xlml_parsexmltag(Rn[0]);
					sheetname = unescapexml(tmp.Name);
					cursheet = (opts.dense ? [] : {});
					merges = [];
					arrayf = [];
					rowinfo = [];
					wsprops = { name: sheetname, Hidden: 0 };
					Workbook.Sheets.push(wsprops);
				}
				break;
			case 'Table':
				if (Rn[1] === '/') { if ((tmp = state.pop())[0] !== Rn[3]) throw new Error("Bad state: " + tmp.join("|")); }
				else if (Rn[0].slice(-2) == "/>") break;
				else {
					table = xlml_parsexmltag(Rn[0]);
					state.push([Rn[3], false]);
					cstys = []; seencol = false;
				}
				break;

			case 'Style':
				if (Rn[1] === '/') process_style_xlml(styles, stag, opts);
				else stag = xlml_parsexmltag(Rn[0]);
				break;

			case 'NumberFormat':
				stag.nf = unescapexml(xlml_parsexmltag(Rn[0]).Format || "General");
				if (XLMLFormatMap[stag.nf]) stag.nf = XLMLFormatMap[stag.nf];
				for (var ssfidx = 0; ssfidx != 0x188; ++ssfidx) if (SSF._table[ssfidx] == stag.nf) break;
				if (ssfidx == 0x188) for (ssfidx = 0x39; ssfidx != 0x188; ++ssfidx) if (SSF._table[ssfidx] == null) { SSF.load(stag.nf, ssfidx); break; }
				break;

			case 'Column':
				if (state[state.length - 1][0] !== 'Table') break;
				csty = xlml_parsexmltag(Rn[0]);
				if (csty.Hidden) { csty.hidden = true; delete csty.Hidden; }
				if (csty.Width) csty.wpx = parseInt(csty.Width, 10);
				if (!seencol && csty.wpx > 10) {
					seencol = true; MDW = DEF_MDW; //find_mdw_wpx(csty.wpx);
					for (var _col = 0; _col < cstys.length; ++_col) if (cstys[_col]) process_col(cstys[_col]);
				}
				if (seencol) process_col(csty);
				cstys[(csty.Index - 1 || cstys.length)] = csty;
				for (var i = 0; i < +csty.Span; ++i) cstys[cstys.length] = dup(csty);
				break;

			case 'NamedRange':
				if (!Workbook.Names) Workbook.Names = [];
				var _NamedRange = parsexmltag(Rn[0]);
				var _DefinedName = ({
					Name: _NamedRange.Name,
					Ref: rc_to_a1(_NamedRange.RefersTo.slice(1), { r: 0, c: 0 })
				});
				if (Workbook.Sheets.length > 0) _DefinedName.Sheet = Workbook.Sheets.length - 1;
				Workbook.Names.push(_DefinedName);
				break;

			case 'NamedCell': break;
			case 'B': break;
			case 'I': break;
			case 'U': break;
			case 'S': break;
			case 'Sub': break;
			case 'Sup': break;
			case 'Span': break;
			case 'Alignment':
				break;
			case 'Borders': break;
			case 'Border': break;
			case 'Font':
				if (Rn[0].slice(-2) === "/>") break;
				else if (Rn[1] === "/") ss += str.slice(fidx, Rn.index);
				else fidx = Rn.index + Rn[0].length;
				break;
			case 'Interior':
				if (!opts.cellStyles) break;
				stag.Interior = xlml_parsexmltag(Rn[0]);
				break;
			case 'Protection': break;

			case 'Author':
			case 'Title':
			case 'Description':
			case 'Created':
			case 'Keywords':
			case 'Subject':
			case 'Category':
			case 'Company':
			case 'LastAuthor':
			case 'LastSaved':
			case 'LastPrinted':
			case 'Version':
			case 'Revision':
			case 'TotalTime':
			case 'HyperlinkBase':
			case 'Manager':
			case 'ContentStatus':
			case 'Identifier':
			case 'Language':
			case 'AppName':
				if (Rn[0].slice(-2) === "/>") break;
				else if (Rn[1] === "/") xlml_set_prop(Props, Rn[3], str.slice(pidx, Rn.index));
				else pidx = Rn.index + Rn[0].length;
				break;
			case 'Paragraphs': break;

			case 'Styles':
			case 'Workbook':
				if (Rn[1] === '/') { if ((tmp = state.pop())[0] !== Rn[3]) throw new Error("Bad state: " + tmp.join("|")); }
				else state.push([Rn[3], false]);
				break;

			case 'Comment':
				if (Rn[1] === '/') {
					if ((tmp = state.pop())[0] !== Rn[3]) throw new Error("Bad state: " + tmp.join("|"));
					xlml_clean_comment(comment);
					comments.push(comment);
				} else {
					state.push([Rn[3], false]);
					tmp = xlml_parsexmltag(Rn[0]);
					comment = ({ a: tmp.Author });
				}
				break;

			case 'AutoFilter':
				if (Rn[1] === '/') { if ((tmp = state.pop())[0] !== Rn[3]) throw new Error("Bad state: " + tmp.join("|")); }
				else if (Rn[0].charAt(Rn[0].length - 2) !== '/') {
					var AutoFilter = xlml_parsexmltag(Rn[0]);
					cursheet['!autofilter'] = { ref: rc_to_a1(AutoFilter.Range).replace(/\$/g, "") };
					state.push([Rn[3], true]);
				}
				break;

			case 'Name': break;

			case 'DataValidation':
				if (Rn[1] === '/') {
					if ((tmp = state.pop())[0] !== Rn[3]) throw new Error("Bad state: " + tmp.join("|"));
				} else {
					if (Rn[0].charAt(Rn[0].length - 2) !== '/') state.push([Rn[3], true]);
				}
				break;

			case 'ComponentOptions':
			case 'DocumentProperties':
			case 'CustomDocumentProperties':
			case 'OfficeDocumentSettings':
			case 'PivotTable':
			case 'PivotCache':
			case 'Names':
			case 'MapInfo':
			case 'PageBreaks':
			case 'QueryTable':
			case 'Sorting':
			case 'Schema':
			case 'data':
			case 'ConditionalFormatting':
			case 'SmartTagType':
			case 'SmartTags':
			case 'ExcelWorkbook':
			case 'WorkbookOptions':
			case 'WorksheetOptions':
				if (Rn[1] === '/') { if ((tmp = state.pop())[0] !== Rn[3]) throw new Error("Bad state: " + tmp.join("|")); }
				else if (Rn[0].charAt(Rn[0].length - 2) !== '/') state.push([Rn[3], true]);
				break;

			default:
				/* FODS file root is <office:document> */
				if (state.length == 0 && Rn[3] == "document") return parse_fods(str, opts);
				/* UOS file root is <uof:UOF> */
				if (state.length == 0 && Rn[3] == "UOF") return parse_fods(str, opts);

				var seen = true;
				switch (state[state.length - 1][0]) {
					/* OfficeDocumentSettings */
					case 'OfficeDocumentSettings': switch (Rn[3]) {
						case 'AllowPNG': break;
						case 'RemovePersonalInformation': break;
						case 'DownloadComponents': break;
						case 'LocationOfComponents': break;
						case 'Colors': break;
						case 'Color': break;
						case 'Index': break;
						case 'RGB': break;
						case 'PixelsPerInch': break; // TODO: set PPI
						case 'TargetScreenSize': break;
						case 'ReadOnlyRecommended': break;
						default: seen = false;
					} break;

					/* ComponentOptions */
					case 'ComponentOptions': switch (Rn[3]) {
						case 'Toolbar': break;
						case 'HideOfficeLogo': break;
						case 'SpreadsheetAutoFit': break;
						case 'Label': break;
						case 'Caption': break;
						case 'MaxHeight': break;
						case 'MaxWidth': break;
						case 'NextSheetNumber': break;
						default: seen = false;
					} break;

					/* ExcelWorkbook */
					case 'ExcelWorkbook': switch (Rn[3]) {
						case 'Date1904':
							Workbook.WBProps.date1904 = true;
							break;
						case 'WindowHeight': break;
						case 'WindowWidth': break;
						case 'WindowTopX': break;
						case 'WindowTopY': break;
						case 'TabRatio': break;
						case 'ProtectStructure': break;
						case 'ProtectWindow': break;
						case 'ProtectWindows': break;
						case 'ActiveSheet': break;
						case 'DisplayInkNotes': break;
						case 'FirstVisibleSheet': break;
						case 'SupBook': break;
						case 'SheetName': break;
						case 'SheetIndex': break;
						case 'SheetIndexFirst': break;
						case 'SheetIndexLast': break;
						case 'Dll': break;
						case 'AcceptLabelsInFormulas': break;
						case 'DoNotSaveLinkValues': break;
						case 'Iteration': break;
						case 'MaxIterations': break;
						case 'MaxChange': break;
						case 'Path': break;
						case 'Xct': break;
						case 'Count': break;
						case 'SelectedSheets': break;
						case 'Calculation': break;
						case 'Uncalced': break;
						case 'StartupPrompt': break;
						case 'Crn': break;
						case 'ExternName': break;
						case 'Formula': break;
						case 'ColFirst': break;
						case 'ColLast': break;
						case 'WantAdvise': break;
						case 'Boolean': break;
						case 'Error': break;
						case 'Text': break;
						case 'OLE': break;
						case 'NoAutoRecover': break;
						case 'PublishObjects': break;
						case 'DoNotCalculateBeforeSave': break;
						case 'Number': break;
						case 'RefModeR1C1': break;
						case 'EmbedSaveSmartTags': break;
						default: seen = false;
					} break;

					/* WorkbookOptions */
					case 'WorkbookOptions': switch (Rn[3]) {
						case 'OWCVersion': break;
						case 'Height': break;
						case 'Width': break;
						default: seen = false;
					} break;

					/* WorksheetOptions */
					case 'WorksheetOptions': switch (Rn[3]) {
						case 'Visible':
							if (Rn[0].slice(-2) === "/>") {/* empty */ }
							else if (Rn[1] === "/") switch (str.slice(pidx, Rn.index)) {
								case "SheetHidden": wsprops.Hidden = 1; break;
								case "SheetVeryHidden": wsprops.Hidden = 2; break;
							}
							else pidx = Rn.index + Rn[0].length;
							break;
						case 'Header':
							if (!cursheet['!margins']) default_margins(cursheet['!margins'] = {}, 'xlml');
							cursheet['!margins'].header = parsexmltag(Rn[0]).Margin;
							break;
						case 'Footer':
							if (!cursheet['!margins']) default_margins(cursheet['!margins'] = {}, 'xlml');
							cursheet['!margins'].footer = parsexmltag(Rn[0]).Margin;
							break;
						case 'PageMargins':
							var pagemargins = parsexmltag(Rn[0]);
							if (!cursheet['!margins']) default_margins(cursheet['!margins'] = {}, 'xlml');
							if (pagemargins.Top) cursheet['!margins'].top = pagemargins.Top;
							if (pagemargins.Left) cursheet['!margins'].left = pagemargins.Left;
							if (pagemargins.Right) cursheet['!margins'].right = pagemargins.Right;
							if (pagemargins.Bottom) cursheet['!margins'].bottom = pagemargins.Bottom;
							break;
						case 'DisplayRightToLeft':
							if (!Workbook.Views) Workbook.Views = [];
							if (!Workbook.Views[0]) Workbook.Views[0] = {};
							Workbook.Views[0].RTL = true;
							break;

						case 'FreezePanes': break;
						case 'FrozenNoSplit': break;

						case 'SplitHorizontal':
						case 'SplitVertical':
							break;

						case 'DoNotDisplayGridlines':
							break;

						case 'TopRowBottomPane': break;
						case 'LeftColumnRightPane': break;

						case 'Unsynced': break;
						case 'Print': break;
						case 'Panes': break;
						case 'Scale': break;
						case 'Pane': break;
						case 'Number': break;
						case 'Layout': break;
						case 'PageSetup': break;
						case 'Selected': break;
						case 'ProtectObjects': break;
						case 'EnableSelection': break;
						case 'ProtectScenarios': break;
						case 'ValidPrinterInfo': break;
						case 'HorizontalResolution': break;
						case 'VerticalResolution': break;
						case 'NumberofCopies': break;
						case 'ActiveRow': break;
						case 'ActiveCol': break;
						case 'ActivePane': break;
						case 'TopRowVisible': break;
						case 'LeftColumnVisible': break;
						case 'FitToPage': break;
						case 'RangeSelection': break;
						case 'PaperSizeIndex': break;
						case 'PageLayoutZoom': break;
						case 'PageBreakZoom': break;
						case 'FilterOn': break;
						case 'FitWidth': break;
						case 'FitHeight': break;
						case 'CommentsLayout': break;
						case 'Zoom': break;
						case 'LeftToRight': break;
						case 'Gridlines': break;
						case 'AllowSort': break;
						case 'AllowFilter': break;
						case 'AllowInsertRows': break;
						case 'AllowDeleteRows': break;
						case 'AllowInsertCols': break;
						case 'AllowDeleteCols': break;
						case 'AllowInsertHyperlinks': break;
						case 'AllowFormatCells': break;
						case 'AllowSizeCols': break;
						case 'AllowSizeRows': break;
						case 'NoSummaryRowsBelowDetail': break;
						case 'TabColorIndex': break;
						case 'DoNotDisplayHeadings': break;
						case 'ShowPageLayoutZoom': break;
						case 'NoSummaryColumnsRightDetail': break;
						case 'BlackAndWhite': break;
						case 'DoNotDisplayZeros': break;
						case 'DisplayPageBreak': break;
						case 'RowColHeadings': break;
						case 'DoNotDisplayOutline': break;
						case 'NoOrientation': break;
						case 'AllowUsePivotTables': break;
						case 'ZeroHeight': break;
						case 'ViewableRange': break;
						case 'Selection': break;
						case 'ProtectContents': break;
						default: seen = false;
					} break;

					/* PivotTable */
					case 'PivotTable': case 'PivotCache': switch (Rn[3]) {
						case 'ImmediateItemsOnDrop': break;
						case 'ShowPageMultipleItemLabel': break;
						case 'CompactRowIndent': break;
						case 'Location': break;
						case 'PivotField': break;
						case 'Orientation': break;
						case 'LayoutForm': break;
						case 'LayoutSubtotalLocation': break;
						case 'LayoutCompactRow': break;
						case 'Position': break;
						case 'PivotItem': break;
						case 'DataType': break;
						case 'DataField': break;
						case 'SourceName': break;
						case 'ParentField': break;
						case 'PTLineItems': break;
						case 'PTLineItem': break;
						case 'CountOfSameItems': break;
						case 'Item': break;
						case 'ItemType': break;
						case 'PTSource': break;
						case 'CacheIndex': break;
						case 'ConsolidationReference': break;
						case 'FileName': break;
						case 'Reference': break;
						case 'NoColumnGrand': break;
						case 'NoRowGrand': break;
						case 'BlankLineAfterItems': break;
						case 'Hidden': break;
						case 'Subtotal': break;
						case 'BaseField': break;
						case 'MapChildItems': break;
						case 'Function': break;
						case 'RefreshOnFileOpen': break;
						case 'PrintSetTitles': break;
						case 'MergeLabels': break;
						case 'DefaultVersion': break;
						case 'RefreshName': break;
						case 'RefreshDate': break;
						case 'RefreshDateCopy': break;
						case 'VersionLastRefresh': break;
						case 'VersionLastUpdate': break;
						case 'VersionUpdateableMin': break;
						case 'VersionRefreshableMin': break;
						case 'Calculation': break;
						default: seen = false;
					} break;

					/* PageBreaks */
					case 'PageBreaks': switch (Rn[3]) {
						case 'ColBreaks': break;
						case 'ColBreak': break;
						case 'RowBreaks': break;
						case 'RowBreak': break;
						case 'ColStart': break;
						case 'ColEnd': break;
						case 'RowEnd': break;
						default: seen = false;
					} break;

					/* AutoFilter */
					case 'AutoFilter': switch (Rn[3]) {
						case 'AutoFilterColumn': break;
						case 'AutoFilterCondition': break;
						case 'AutoFilterAnd': break;
						case 'AutoFilterOr': break;
						default: seen = false;
					} break;

					/* QueryTable */
					case 'QueryTable': switch (Rn[3]) {
						case 'Id': break;
						case 'AutoFormatFont': break;
						case 'AutoFormatPattern': break;
						case 'QuerySource': break;
						case 'QueryType': break;
						case 'EnableRedirections': break;
						case 'RefreshedInXl9': break;
						case 'URLString': break;
						case 'HTMLTables': break;
						case 'Connection': break;
						case 'CommandText': break;
						case 'RefreshInfo': break;
						case 'NoTitles': break;
						case 'NextId': break;
						case 'ColumnInfo': break;
						case 'OverwriteCells': break;
						case 'DoNotPromptForFile': break;
						case 'TextWizardSettings': break;
						case 'Source': break;
						case 'Number': break;
						case 'Decimal': break;
						case 'ThousandSeparator': break;
						case 'TrailingMinusNumbers': break;
						case 'FormatSettings': break;
						case 'FieldType': break;
						case 'Delimiters': break;
						case 'Tab': break;
						case 'Comma': break;
						case 'AutoFormatName': break;
						case 'VersionLastEdit': break;
						case 'VersionLastRefresh': break;
						default: seen = false;
					} break;

					case 'DataValidation':
						switch (Rn[3]) {
							case 'Range': break;

							case 'Type': break;
							case 'Min': break;
							case 'Max': break;
							case 'Sort': break;
							case 'Descending': break;
							case 'Order': break;
							case 'CaseSensitive': break;
							case 'Value': break;
							case 'ErrorStyle': break;
							case 'ErrorMessage': break;
							case 'ErrorTitle': break;
							case 'InputMessage': break;
							case 'InputTitle': break;
							case 'ComboHide': break;
							case 'InputHide': break;
							case 'Condition': break;
							case 'Qualifier': break;
							case 'UseBlank': break;
							case 'Value1': break;
							case 'Value2': break;
							case 'Format': break;

							case 'CellRangeList': break;
							default: seen = false;
						} break;

					case 'Sorting':
					case 'ConditionalFormatting':
						switch (Rn[3]) {
							case 'Range': break;
							case 'Type': break;
							case 'Min': break;
							case 'Max': break;
							case 'Sort': break;
							case 'Descending': break;
							case 'Order': break;
							case 'CaseSensitive': break;
							case 'Value': break;
							case 'ErrorStyle': break;
							case 'ErrorMessage': break;
							case 'ErrorTitle': break;
							case 'CellRangeList': break;
							case 'InputMessage': break;
							case 'InputTitle': break;
							case 'ComboHide': break;
							case 'InputHide': break;
							case 'Condition': break;
							case 'Qualifier': break;
							case 'UseBlank': break;
							case 'Value1': break;
							case 'Value2': break;
							case 'Format': break;
							default: seen = false;
						} break;

					/* MapInfo (schema) */
					case 'MapInfo': case 'Schema': case 'data': switch (Rn[3]) {
						case 'Map': break;
						case 'Entry': break;
						case 'Range': break;
						case 'XPath': break;
						case 'Field': break;
						case 'XSDType': break;
						case 'FilterOn': break;
						case 'Aggregate': break;
						case 'ElementType': break;
						case 'AttributeType': break;
						/* These are from xsd (XML Schema Definition) */
						case 'schema':
						case 'element':
						case 'complexType':
						case 'datatype':
						case 'all':
						case 'attribute':
						case 'extends': break;

						case 'row': break;
						default: seen = false;
					} break;

					/* SmartTags (can be anything) */
					case 'SmartTags': break;

					default: seen = false; break;
				}
				if (seen) break;
				/* CustomDocumentProperties */
				if (Rn[3].match(/!\[CDATA/)) break;
				if (!state[state.length - 1][1]) throw 'Unrecognized tag: ' + Rn[3] + "|" + state.join("|");
				if (state[state.length - 1][0] === 'CustomDocumentProperties') {
					if (Rn[0].slice(-2) === "/>") break;
					else if (Rn[1] === "/") xlml_set_custprop(Custprops, Rn[3], cp, str.slice(pidx, Rn.index));
					else { cp = Rn; pidx = Rn.index + Rn[0].length; }
					break;
				}
				if (opts.WTF) throw 'Unrecognized tag: ' + Rn[3] + "|" + state.join("|");
		}
		var out = ({});
		if (!opts.bookSheets && !opts.bookProps) out.Sheets = sheets;
		out.SheetNames = sheetnames;
		out.Workbook = Workbook;
		out.SSF = SSF.get_table();
		out.Props = Props;
		out.Custprops = Custprops;
		return out;
	}

	function parse_xlml(data, opts) {
		fix_read_opts(opts = opts || {});
		switch (opts.type || "base64") {
			case "base64": return parse_xlml_xml(Base64.decode(data), opts);
			case "binary": case "buffer": case "file": return parse_xlml_xml(data, opts);
			case "array": return parse_xlml_xml(a2s(data), opts);
		}
	}

	/* TODO */
	function write_props_xlml(wb, opts) {
		var o = [];
		/* DocumentProperties */
		if (wb.Props) o.push(xlml_write_docprops(wb.Props, opts));
		/* CustomDocumentProperties */
		if (wb.Custprops) o.push(xlml_write_custprops(wb.Props, wb.Custprops, opts));
		return o.join("");
	}
	/* TODO */
	function write_wb_xlml() {
		/* OfficeDocumentSettings */
		/* ExcelWorkbook */
		return "";
	}
	/* TODO */
	function write_sty_xlml(wb, opts) {
		/* Styles */
		var styles = ['<Style ss:ID="Default" ss:Name="Normal"><NumberFormat/></Style>'];
		opts.cellXfs.forEach(function (xf, id) {
			var payload = [];
			payload.push(writextag('NumberFormat', null, { "ss:Format": escapexml(SSF._table[xf.numFmtId]) }));
			styles.push(writextag('Style', payload.join(""), { "ss:ID": "s" + (21 + id) }));
		});
		return writextag("Styles", styles.join(""));
	}
	function write_name_xlml(n) { return writextag("NamedRange", null, { "ss:Name": n.Name, "ss:RefersTo": "=" + a1_to_rc(n.Ref, { r: 0, c: 0 }) }); }
	function write_names_xlml(wb) {
		if (!((wb || {}).Workbook || {}).Names) return "";
		var names = wb.Workbook.Names;
		var out = [];
		for (var i = 0; i < names.length; ++i) {
			var n = names[i];
			if (n.Sheet != null) continue;
			if (n.Name.match(/^_xlfn\./)) continue;
			out.push(write_name_xlml(n));
		}
		return writextag("Names", out.join(""));
	}
	function write_ws_xlml_names(ws, opts, idx, wb) {
		if (!ws) return "";
		if (!((wb || {}).Workbook || {}).Names) return "";
		var names = wb.Workbook.Names;
		var out = [];
		for (var i = 0; i < names.length; ++i) {
			var n = names[i];
			if (n.Sheet != idx) continue;
			/*switch(n.Name) {
				case "_": continue;
			}*/
			if (n.Name.match(/^_xlfn\./)) continue;
			out.push(write_name_xlml(n));
		}
		return out.join("");
	}
	/* WorksheetOptions */
	function write_ws_xlml_wsopts(ws, opts, idx, wb) {
		if (!ws) return "";
		var o = [];
		/* NOTE: spec technically allows any order, but stick with implied order */

		/* FitToPage */
		/* DoNotDisplayColHeaders */
		/* DoNotDisplayRowHeaders */
		/* ViewableRange */
		/* Selection */
		/* GridlineColor */
		/* Name */
		/* ExcelWorksheetType */
		/* IntlMacro */
		/* Unsynced */
		/* Selected */
		/* CodeName */

		if (ws['!margins']) {
			o.push("<PageSetup>");
			if (ws['!margins'].header) o.push(writextag("Header", null, { 'x:Margin': ws['!margins'].header }));
			if (ws['!margins'].footer) o.push(writextag("Footer", null, { 'x:Margin': ws['!margins'].footer }));
			o.push(writextag("PageMargins", null, {
				'x:Bottom': ws['!margins'].bottom || "0.75",
				'x:Left': ws['!margins'].left || "0.7",
				'x:Right': ws['!margins'].right || "0.7",
				'x:Top': ws['!margins'].top || "0.75"
			}));
			o.push("</PageSetup>");
		}

		/* PageSetup */
		/* DisplayPageBreak */
		/* TransitionExpressionEvaluation */
		/* TransitionFormulaEntry */
		/* Print */
		/* Zoom */
		/* PageLayoutZoom */
		/* PageBreakZoom */
		/* ShowPageBreakZoom */
		/* DefaultRowHeight */
		/* DefaultColumnWidth */
		/* StandardWidth */

		if (wb && wb.Workbook && wb.Workbook.Sheets && wb.Workbook.Sheets[idx]) {
			/* Visible */
			if (wb.Workbook.Sheets[idx].Hidden) o.push(writextag("Visible", (wb.Workbook.Sheets[idx].Hidden == 1 ? "SheetHidden" : "SheetVeryHidden"), {}));
			else {
				/* Selected */
				for (var i = 0; i < idx; ++i) if (wb.Workbook.Sheets[i] && !wb.Workbook.Sheets[i].Hidden) break;
				if (i == idx) o.push("<Selected/>");
			}
		}

		/* LeftColumnVisible */

		if (((((wb || {}).Workbook || {}).Views || [])[0] || {}).RTL) o.push("<DisplayRightToLeft/>");

		/* GridlineColorIndex */
		/* DisplayFormulas */
		/* DoNotDisplayGridlines */
		/* DoNotDisplayHeadings */
		/* DoNotDisplayOutline */
		/* ApplyAutomaticOutlineStyles */
		/* NoSummaryRowsBelowDetail */
		/* NoSummaryColumnsRightDetail */
		/* DoNotDisplayZeros */
		/* ActiveRow */
		/* ActiveColumn */
		/* FilterOn */
		/* RangeSelection */
		/* TopRowVisible */
		/* TopRowBottomPane */
		/* LeftColumnRightPane */
		/* ActivePane */
		/* SplitHorizontal */
		/* SplitVertical */
		/* FreezePanes */
		/* FrozenNoSplit */
		/* TabColorIndex */
		/* Panes */

		/* NOTE: Password not supported in XLML Format */
		if (ws['!protect']) {
			o.push(writetag("ProtectContents", "True"));
			if (ws['!protect'].objects) o.push(writetag("ProtectObjects", "True"));
			if (ws['!protect'].scenarios) o.push(writetag("ProtectScenarios", "True"));
			if (ws['!protect'].selectLockedCells != null && !ws['!protect'].selectLockedCells) o.push(writetag("EnableSelection", "NoSelection"));
			else if (ws['!protect'].selectUnlockedCells != null && !ws['!protect'].selectUnlockedCells) o.push(writetag("EnableSelection", "UnlockedCells"));
			[
				["formatCells", "AllowFormatCells"],
				["formatColumns", "AllowSizeCols"],
				["formatRows", "AllowSizeRows"],
				["insertColumns", "AllowInsertCols"],
				["insertRows", "AllowInsertRows"],
				["insertHyperlinks", "AllowInsertHyperlinks"],
				["deleteColumns", "AllowDeleteCols"],
				["deleteRows", "AllowDeleteRows"],
				["sort", "AllowSort"],
				["autoFilter", "AllowFilter"],
				["pivotTables", "AllowUsePivotTables"]
			].forEach(function (x) { if (ws['!protect'][x[0]]) o.push("<" + x[1] + "/>"); });
		}

		if (o.length == 0) return "";
		return writextag("WorksheetOptions", o.join(""), { xmlns: XLMLNS.x });
	}
	function write_ws_xlml_comment(comments) {
		return comments.map(function (c) {
			// TODO: formatted text
			var t = xlml_unfixstr(c.t || "");
			var d = writextag("ss:Data", t, { "xmlns": "http://www.w3.org/TR/REC-html40" });
			return writextag("Comment", d, { "ss:Author": c.a });
		}).join("");
	}
	function write_ws_xlml_cell(cell, ref, ws, opts, idx, wb, addr) {
		if (!cell || (cell.v == undefined && cell.f == undefined)) return "";

		var attr = {};
		if (cell.f) attr["ss:Formula"] = "=" + escapexml(a1_to_rc(cell.f, addr));
		if (cell.F && cell.F.slice(0, ref.length) == ref) {
			var end = decode_cell(cell.F.slice(ref.length + 1));
			attr["ss:ArrayRange"] = "RC:R" + (end.r == addr.r ? "" : "[" + (end.r - addr.r) + "]") + "C" + (end.c == addr.c ? "" : "[" + (end.c - addr.c) + "]");
		}

		if (cell.l && cell.l.Target) {
			attr["ss:HRef"] = escapexml(cell.l.Target);
			if (cell.l.Tooltip) attr["x:HRefScreenTip"] = escapexml(cell.l.Tooltip);
		}

		if (ws['!merges']) {
			var marr = ws['!merges'];
			for (var mi = 0; mi != marr.length; ++mi) {
				if (marr[mi].s.c != addr.c || marr[mi].s.r != addr.r) continue;
				if (marr[mi].e.c > marr[mi].s.c) attr['ss:MergeAcross'] = marr[mi].e.c - marr[mi].s.c;
				if (marr[mi].e.r > marr[mi].s.r) attr['ss:MergeDown'] = marr[mi].e.r - marr[mi].s.r;
			}
		}

		var t = "", p = "";
		switch (cell.t) {
			case 'z': if (!opts.sheetStubs) return ""; break;
			case 'n': t = 'Number'; p = String(cell.v); break;
			case 'b': t = 'Boolean'; p = (cell.v ? "1" : "0"); break;
			case 'e': t = 'Error'; p = BErr[cell.v]; break;
			case 'd': t = 'DateTime'; p = new Date(cell.v).toISOString(); if (cell.z == null) cell.z = cell.z || SSF._table[14]; break;
			case 's': t = 'String'; p = escapexlml(cell.v || ""); break;
		}
		/* TODO: cell style */
		var os = get_cell_style(opts.cellXfs, cell, opts);
		attr["ss:StyleID"] = "s" + (21 + os);
		attr["ss:Index"] = addr.c + 1;
		var _v = (cell.v != null ? p : "");
		var m = cell.t == 'z' ? "" : ('<Data ss:Type="' + t + '">' + _v + '</Data>');

		if ((cell.c || []).length > 0) m += write_ws_xlml_comment(cell.c);

		return writextag("Cell", m, attr);
	}
	function write_ws_xlml_row(R, row) {
		var o = '<Row ss:Index="' + (R + 1) + '"';
		if (row) {
			if (row.hpt && !row.hpx) row.hpx = pt2px(row.hpt);
			if (row.hpx) o += ' ss:AutoFitHeight="0" ss:Height="' + row.hpx + '"';
			if (row.hidden) o += ' ss:Hidden="1"';
		}
		return o + '>';
	}
	/* TODO */
	function write_ws_xlml_table(ws, opts, idx, wb) {
		if (!ws['!ref']) return "";
		var range = safe_decode_range(ws['!ref']);
		var marr = ws['!merges'] || [], mi = 0;
		var o = [];
		if (ws['!cols']) ws['!cols'].forEach(function (n, i) {
			process_col(n);
			var w = !!n.width;
			var p = col_obj_w(i, n);
			var k = { "ss:Index": i + 1 };
			if (w) k['ss:Width'] = width2px(p.width);
			if (n.hidden) k['ss:Hidden'] = "1";
			o.push(writextag("Column", null, k));
		});
		var dense = Array.isArray(ws);
		for (var R = range.s.r; R <= range.e.r; ++R) {
			var row = [write_ws_xlml_row(R, (ws['!rows'] || [])[R])];
			for (var C = range.s.c; C <= range.e.c; ++C) {
				var skip = false;
				for (mi = 0; mi != marr.length; ++mi) {
					if (marr[mi].s.c > C) continue;
					if (marr[mi].s.r > R) continue;
					if (marr[mi].e.c < C) continue;
					if (marr[mi].e.r < R) continue;
					if (marr[mi].s.c != C || marr[mi].s.r != R) skip = true;
					break;
				}
				if (skip) continue;
				var addr = { r: R, c: C };
				var ref = encode_cell(addr), cell = dense ? (ws[R] || [])[C] : ws[ref];
				row.push(write_ws_xlml_cell(cell, ref, ws, opts, idx, wb, addr));
			}
			row.push("</Row>");
			if (row.length > 2) o.push(row.join(""));
		}
		return o.join("");
	}
	function write_ws_xlml(idx, opts, wb) {
		var o = [];
		var s = wb.SheetNames[idx];
		var ws = wb.Sheets[s];

		var t = ws ? write_ws_xlml_names(ws, opts, idx, wb) : "";
		if (t.length > 0) o.push("<Names>" + t + "</Names>");

		/* Table */
		t = ws ? write_ws_xlml_table(ws, opts, idx, wb) : "";
		if (t.length > 0) o.push("<Table>" + t + "</Table>");

		/* WorksheetOptions */
		o.push(write_ws_xlml_wsopts(ws, opts, idx, wb));

		return o.join("");
	}
	function write_xlml(wb, opts) {
		if (!opts) opts = {};
		if (!wb.SSF) wb.SSF = SSF.get_table();
		if (wb.SSF) {
			make_ssf(SSF); SSF.load_table(wb.SSF);
			// $FlowIgnore
			opts.revssf = evert_num(wb.SSF); opts.revssf[wb.SSF[65535]] = 0;
			opts.ssf = wb.SSF;
			opts.cellXfs = [];
			get_cell_style(opts.cellXfs, {}, { revssf: { "General": 0 } });
		}
		var d = [];
		d.push(write_props_xlml(wb, opts));
		d.push(write_wb_xlml(wb, opts));
		d.push("");
		d.push("");
		for (var i = 0; i < wb.SheetNames.length; ++i)
			d.push(writextag("Worksheet", write_ws_xlml(i, opts, wb), { "ss:Name": escapexml(wb.SheetNames[i]) }));
		d[2] = write_sty_xlml(wb, opts);
		d[3] = write_names_xlml(wb, opts);
		return XML_HEADER + writextag("Workbook", d.join(""), {
			'xmlns': XLMLNS.ss,
			'xmlns:o': XLMLNS.o,
			'xmlns:x': XLMLNS.x,
			'xmlns:ss': XLMLNS.ss,
			'xmlns:dt': XLMLNS.dt,
			'xmlns:html': XLMLNS.html
		});
	}
	/* [MS-OLEDS] 2.3.8 CompObjStream */
	function parse_compobj(obj) {
		var v = {};
		var o = obj.content;
		/* [MS-OLEDS] 2.3.7 CompObjHeader -- All fields MUST be ignored */
		o.l = 28;

		v.AnsiUserType = o.read_shift(0, "lpstr-ansi");
		v.AnsiClipboardFormat = parse_ClipboardFormatOrAnsiString(o);

		if (o.length - o.l <= 4) return v;

		var m = o.read_shift(4);
		if (m == 0 || m > 40) return v;
		o.l -= 4; v.Reserved1 = o.read_shift(0, "lpstr-ansi");

		if (o.length - o.l <= 4) return v;
		m = o.read_shift(4);
		if (m !== 0x71b239f4) return v;
		v.UnicodeClipboardFormat = parse_ClipboardFormatOrUnicodeString(o);

		m = o.read_shift(4);
		if (m == 0 || m > 40) return v;
		o.l -= 4; v.Reserved2 = o.read_shift(0, "lpwstr");
	}

	/*
		Continue logic for:
		- 2.4.58 Continue
		- 2.4.59 ContinueBigName
		- 2.4.60 ContinueFrt
		- 2.4.61 ContinueFrt11
		- 2.4.62 ContinueFrt12
	*/
	function slurp(R, blob, length, opts) {
		var l = length;
		var bufs = [];
		var d = blob.slice(blob.l, blob.l + l);
		if (opts && opts.enc && opts.enc.insitu) switch (R.n) {
			case 'BOF': case 'FilePass': case 'FileLock': case 'InterfaceHdr': case 'RRDInfo': case 'RRDHead': case 'UsrExcl': break;
			default:
				if (d.length === 0) break;
				opts.enc.insitu(d);
		}
		bufs.push(d);
		blob.l += l;
		var next = (XLSRecordEnum[__readUInt16LE(blob, blob.l)]);
		var start = 0;
		while (next != null && next.n.slice(0, 8) === 'Continue') {
			l = __readUInt16LE(blob, blob.l + 2);
			start = blob.l + 4;
			if (next.n == 'ContinueFrt') start += 4;
			else if (next.n.slice(0, 11) == 'ContinueFrt') start += 12;
			bufs.push(blob.slice(start, blob.l + 4 + l));
			blob.l += 4 + l;
			next = (XLSRecordEnum[__readUInt16LE(blob, blob.l)]);
		}
		var b = (bconcat(bufs));
		prep_blob(b, 0);
		var ll = 0; b.lens = [];
		for (var j = 0; j < bufs.length; ++j) { b.lens.push(ll); ll += bufs[j].length; }
		return R.f(b, b.length, opts);
	}

	function safe_format_xf(p, opts, date1904) {
		if (p.t === 'z') return;
		if (!p.XF) return;
		var fmtid = 0;
		try {
			fmtid = p.z || p.XF.numFmtId || 0;
			if (opts.cellNF) p.z = SSF._table[fmtid];
		} catch (e) { if (opts.WTF) throw e; }
		if (!opts || opts.cellText !== false) try {
			if (p.t === 'e') { p.w = p.w || BErr[p.v]; }
			else if (fmtid === 0 || fmtid == "General") {
				if (p.t === 'n') {
					if ((p.v | 0) === p.v) p.w = SSF._general_int(p.v);
					else p.w = SSF._general_num(p.v);
				}
				else p.w = SSF._general(p.v);
			}
			else p.w = SSF.format(fmtid, p.v, { date1904: !!date1904 });
		} catch (e) { if (opts.WTF) throw e; }
		if (opts.cellDates && fmtid && p.t == 'n' && SSF.is_date(SSF._table[fmtid] || String(fmtid))) {
			var _d = SSF.parse_date_code(p.v); if (_d) { p.t = 'd'; p.v = new Date(_d.y, _d.m - 1, _d.d, _d.H, _d.M, _d.S, _d.u); }
		}
	}

	function make_cell(val, ixfe, t) {
		return ({ v: val, ixfe: ixfe, t: t });
	}

	// 2.3.2
	function parse_workbook(blob, options) {
		var wb = ({ opts: {} });
		var Sheets = {};
		if (DENSE != null && options.dense == null) options.dense = DENSE;
		var out = ((options.dense ? [] : {}));
		var Directory = {};
		var range = ({});
		var last_formula = null;
		var sst = ([]);
		var cur_sheet = "";
		var Preamble = {};
		var lastcell, last_cell = "", cc, cmnt, rngC, rngR;
		var sharedf = {};
		var arrayf = [];
		var temp_val;
		var country;
		var cell_valid = true;
		var XFs = []; /* XF records */
		var palette = [];
		var Workbook = ({ Sheets: [], WBProps: { date1904: false }, Views: [{}] }), wsprops = {};
		var get_rgb = function getrgb(icv) {
			if (icv < 8) return XLSIcv[icv];
			if (icv < 64) return palette[icv - 8] || XLSIcv[icv];
			return XLSIcv[icv];
		};
		var process_cell_style = function pcs(cell, line, options) {
			var xfd = line.XF.data;
			if (!xfd || !xfd.patternType || !options || !options.cellStyles) return;
			line.s = ({});
			line.s.patternType = xfd.patternType;
			var t;
			if ((t = rgb2Hex(get_rgb(xfd.icvFore)))) { line.s.fgColor = { rgb: t }; }
			if ((t = rgb2Hex(get_rgb(xfd.icvBack)))) { line.s.bgColor = { rgb: t }; }
		};
		var addcell = function addcell(cell, line, options) {
			if (file_depth > 1) return;
			if (options.sheetRows && cell.r >= options.sheetRows) cell_valid = false;
			if (!cell_valid) return;
			if (options.cellStyles && line.XF && line.XF.data) process_cell_style(cell, line, options);
			delete line.ixfe; delete line.XF;
			lastcell = cell;
			last_cell = encode_cell(cell);
			if (!range || !range.s || !range.e) range = { s: { r: 0, c: 0 }, e: { r: 0, c: 0 } };
			if (cell.r < range.s.r) range.s.r = cell.r;
			if (cell.c < range.s.c) range.s.c = cell.c;
			if (cell.r + 1 > range.e.r) range.e.r = cell.r + 1;
			if (cell.c + 1 > range.e.c) range.e.c = cell.c + 1;
			if (options.cellFormula && line.f) {
				for (var afi = 0; afi < arrayf.length; ++afi) {
					if (arrayf[afi][0].s.c > cell.c || arrayf[afi][0].s.r > cell.r) continue;
					if (arrayf[afi][0].e.c < cell.c || arrayf[afi][0].e.r < cell.r) continue;
					line.F = encode_range(arrayf[afi][0]);
					if (arrayf[afi][0].s.c != cell.c || arrayf[afi][0].s.r != cell.r) delete line.f;
					if (line.f) line.f = "" + stringify_formula(arrayf[afi][1], range, cell, supbooks, opts);
					break;
				}
			}
			{
				if (options.dense) {
					if (!out[cell.r]) out[cell.r] = [];
					out[cell.r][cell.c] = line;
				} else out[last_cell] = line;
			}
		};
		var opts = ({
			enc: false, // encrypted
			sbcch: 0, // cch in the preceding SupBook
			snames: [], // sheetnames
			sharedf: sharedf, // shared formulae by address
			arrayf: arrayf, // array formulae array
			rrtabid: [], // RRTabId
			lastuser: "", // Last User from WriteAccess
			biff: 8, // BIFF version
			codepage: 0, // CP from CodePage record
			winlocked: 0, // fLockWn from WinProtect
			cellStyles: !!options && !!options.cellStyles,
			WTF: !!options && !!options.wtf
		});
		if (options.password) opts.password = options.password;
		var themes;
		var merges = [];
		var objects = [];
		var colinfo = [], rowinfo = [];
		// eslint-disable-next-line no-unused-vars
		var defwidth = 0, defheight = 0; // twips / MDW respectively
		var seencol = false;
		var supbooks = ([]); // 1-indexed, will hold extern names
		supbooks.SheetNames = opts.snames;
		supbooks.sharedf = opts.sharedf;
		supbooks.arrayf = opts.arrayf;
		supbooks.names = [];
		supbooks.XTI = [];
		var last_Rn = '';
		var file_depth = 0; /* TODO: make a real stack */
		var BIFF2Fmt = 0, BIFF2FmtTable = [];
		var FilterDatabases = []; /* TODO: sort out supbooks and process elsewhere */
		var last_lbl;

		/* explicit override for some broken writers */
		opts.codepage = 1200;
		set_cp(1200);
		var seen_codepage = false;
		while (blob.l < blob.length - 1) {
			var s = blob.l;
			var RecordType = blob.read_shift(2);
			if (RecordType === 0 && last_Rn === 'EOF') break;
			var length = (blob.l === blob.length ? 0 : blob.read_shift(2));
			var R = XLSRecordEnum[RecordType];
			//console.log(RecordType.toString(16), RecordType, R, blob.l, length, blob.length);
			//if(!R) console.log(blob.slice(blob.l, blob.l + length));
			if (R && R.f) {
				if (options.bookSheets) {
					if (last_Rn === 'BoundSheet8' && R.n !== 'BoundSheet8') break;
				}
				last_Rn = R.n;
				if (R.r === 2 || R.r == 12) {
					var rt = blob.read_shift(2); length -= 2;
					if (!opts.enc && rt !== RecordType && (((rt & 0xFF) << 8) | (rt >> 8)) !== RecordType) throw new Error("rt mismatch: " + rt + "!=" + RecordType);
					if (R.r == 12) { blob.l += 10; length -= 10; } // skip FRT
				}
				//console.error(R,blob.l,length,blob.length);
				var val = ({});
				if (R.n === 'EOF') val = R.f(blob, length, opts);
				else val = slurp(R, blob, length, opts);
				var Rn = R.n;
				if (file_depth == 0 && Rn != 'BOF') continue;
				/* nested switch statements to workaround V8 128 limit */
				switch (Rn) {
					/* Workbook Options */
					case 'Date1904':
						wb.opts.Date1904 = Workbook.WBProps.date1904 = val; break;
					case 'WriteProtect': wb.opts.WriteProtect = true; break;
					case 'FilePass':
						if (!opts.enc) blob.l = 0;
						opts.enc = val;
						if (!options.password) throw new Error("File is password-protected");
						if (val.valid == null) throw new Error("Encryption scheme unsupported");
						if (!val.valid) throw new Error("Password is incorrect");
						break;
					case 'WriteAccess': opts.lastuser = val; break;
					case 'FileSharing': break; //TODO
					case 'CodePage':
						var cpval = Number(val);
						/* overrides based on test cases */
						switch (cpval) {
							case 0x5212: cpval = 1200; break;
							case 0x8000: cpval = 10000; break;
							case 0x8001: cpval = 1252; break;
						}
						set_cp(opts.codepage = cpval);
						seen_codepage = true;
						break;
					case 'RRTabId': opts.rrtabid = val; break;
					case 'WinProtect': opts.winlocked = val; break;
					case 'Template': break; // TODO
					case 'BookBool': break; // TODO
					case 'UsesELFs': break;
					case 'MTRSettings': break;
					case 'RefreshAll':
					case 'CalcCount':
					case 'CalcDelta':
					case 'CalcIter':
					case 'CalcMode':
					case 'CalcPrecision':
					case 'CalcSaveRecalc':
						wb.opts[Rn] = val; break;
					case 'CalcRefMode': opts.CalcRefMode = val; break; // TODO: implement R1C1
					case 'Uncalced': break;
					case 'ForceFullCalculation': wb.opts.FullCalc = val; break;
					case 'WsBool':
						if (val.fDialog) out["!type"] = "dialog";
						break; // TODO
					case 'XF':
						XFs.push(val); break;
					case 'ExtSST': break; // TODO
					case 'BookExt': break; // TODO
					case 'RichTextStream': break;
					case 'BkHim': break;

					case 'SupBook':
						supbooks.push([val]);
						supbooks[supbooks.length - 1].XTI = [];
						break;
					case 'ExternName':
						supbooks[supbooks.length - 1].push(val);
						break;
					case 'Index': break; // TODO
					case 'Lbl':
						last_lbl = ({
							Name: val.Name,
							Ref: stringify_formula(val.rgce, range, null, supbooks, opts)
						});
						if (val.itab > 0) last_lbl.Sheet = val.itab - 1;
						supbooks.names.push(last_lbl);
						if (!supbooks[0]) { supbooks[0] = []; supbooks[0].XTI = []; }
						supbooks[supbooks.length - 1].push(val);
						if (val.Name == "_xlnm._FilterDatabase" && val.itab > 0)
							if (val.rgce && val.rgce[0] && val.rgce[0][0] && val.rgce[0][0][0] == 'PtgArea3d')
								FilterDatabases[val.itab - 1] = { ref: encode_range(val.rgce[0][0][1][2]) };
						break;
					case 'ExternCount': opts.ExternCount = val; break;
					case 'ExternSheet':
						if (supbooks.length == 0) { supbooks[0] = []; supbooks[0].XTI = []; }
						supbooks[supbooks.length - 1].XTI = supbooks[supbooks.length - 1].XTI.concat(val); supbooks.XTI = supbooks.XTI.concat(val); break;
					case 'NameCmt':
						/* TODO: search for correct name */
						if (opts.biff < 8) break;
						if (last_lbl != null) last_lbl.Comment = val[1];
						break;

					case 'Protect': out["!protect"] = val; break; /* for sheet or book */
					case 'Password': if (val !== 0 && opts.WTF) console.error("Password verifier: " + val); break;
					case 'Prot4Rev': case 'Prot4RevPass': break; /*TODO: Revision Control*/

					case 'BoundSheet8': {
						Directory[val.pos] = val;
						opts.snames.push(val.name);
					} break;
					case 'EOF': {
						if (--file_depth) break;
						if (range.e) {
							if (range.e.r > 0 && range.e.c > 0) {
								range.e.r--; range.e.c--;
								out["!ref"] = encode_range(range);
								if (options.sheetRows && options.sheetRows <= range.e.r) {
									var tmpri = range.e.r;
									range.e.r = options.sheetRows - 1;
									out["!fullref"] = out["!ref"];
									out["!ref"] = encode_range(range);
									range.e.r = tmpri;
								}
								range.e.r++; range.e.c++;
							}
							if (merges.length > 0) out["!merges"] = merges;
							if (objects.length > 0) out["!objects"] = objects;
							if (colinfo.length > 0) out["!cols"] = colinfo;
							if (rowinfo.length > 0) out["!rows"] = rowinfo;
							Workbook.Sheets.push(wsprops);
						}
						if (cur_sheet === "") Preamble = out; else Sheets[cur_sheet] = out;
						out = ((options.dense ? [] : {}));
					} break;
					case 'BOF': {
						if (opts.biff === 8) opts.biff = {
							0x0009: 2,
							0x0209: 3,
							0x0409: 4
						}[RecordType] || {
							0x0200: 2,
							0x0300: 3,
							0x0400: 4,
							0x0500: 5,
							0x0600: 8,
							0x0002: 2,
							0x0007: 2
						}[val.BIFFVer] || 8;
						if (opts.biff == 8 && val.BIFFVer == 0 && val.dt == 16) opts.biff = 2;
						if (file_depth++) break;
						cell_valid = true;
						out = ((options.dense ? [] : {}));

						if (opts.biff < 8 && !seen_codepage) { seen_codepage = true; set_cp(opts.codepage = options.codepage || 1252); }
						if (opts.biff < 5) {
							if (cur_sheet === "") cur_sheet = "Sheet1";
							range = { s: { r: 0, c: 0 }, e: { r: 0, c: 0 } };
							/* fake BoundSheet8 */
							var fakebs8 = { pos: blob.l - length, name: cur_sheet };
							Directory[fakebs8.pos] = fakebs8;
							opts.snames.push(cur_sheet);
						}
						else cur_sheet = (Directory[s] || { name: "" }).name;
						if (val.dt == 0x20) out["!type"] = "chart";
						if (val.dt == 0x40) out["!type"] = "macro";
						merges = [];
						objects = [];
						opts.arrayf = arrayf = [];
						colinfo = []; rowinfo = [];
						defwidth = defheight = 0;
						seencol = false;
						wsprops = { Hidden: (Directory[s] || { hs: 0 }).hs, name: cur_sheet };
					} break;

					case 'Number': case 'BIFF2NUM': case 'BIFF2INT': {
						if (out["!type"] == "chart") if (options.dense ? (out[val.r] || [])[val.c] : out[encode_cell({ c: val.c, r: val.r })]) ++val.c;
						temp_val = ({ ixfe: val.ixfe, XF: XFs[val.ixfe] || {}, v: val.val, t: 'n' });
						if (BIFF2Fmt > 0) temp_val.z = BIFF2FmtTable[(temp_val.ixfe >> 8) & 0x1F];
						safe_format_xf(temp_val, options, wb.opts.Date1904);
						addcell({ c: val.c, r: val.r }, temp_val, options);
					} break;
					case 'BoolErr': {
						temp_val = ({ ixfe: val.ixfe, XF: XFs[val.ixfe], v: val.val, t: val.t });
						if (BIFF2Fmt > 0) temp_val.z = BIFF2FmtTable[(temp_val.ixfe >> 8) & 0x1F];
						safe_format_xf(temp_val, options, wb.opts.Date1904);
						addcell({ c: val.c, r: val.r }, temp_val, options);
					} break;
					case 'RK': {
						temp_val = ({ ixfe: val.ixfe, XF: XFs[val.ixfe], v: val.rknum, t: 'n' });
						if (BIFF2Fmt > 0) temp_val.z = BIFF2FmtTable[(temp_val.ixfe >> 8) & 0x1F];
						safe_format_xf(temp_val, options, wb.opts.Date1904);
						addcell({ c: val.c, r: val.r }, temp_val, options);
					} break;
					case 'MulRk': {
						for (var j = val.c; j <= val.C; ++j) {
							var ixfe = val.rkrec[j - val.c][0];
							temp_val = ({ ixfe: ixfe, XF: XFs[ixfe], v: val.rkrec[j - val.c][1], t: 'n' });
							if (BIFF2Fmt > 0) temp_val.z = BIFF2FmtTable[(temp_val.ixfe >> 8) & 0x1F];
							safe_format_xf(temp_val, options, wb.opts.Date1904);
							addcell({ c: j, r: val.r }, temp_val, options);
						}
					} break;
					case 'Formula': {
						if (val.val == 'String') { last_formula = val; break; }
						temp_val = make_cell(val.val, val.cell.ixfe, val.tt);
						temp_val.XF = XFs[temp_val.ixfe];
						if (options.cellFormula) {
							var _f = val.formula;
							if (_f && _f[0] && _f[0][0] && _f[0][0][0] == 'PtgExp') {
								var _fr = _f[0][0][1][0], _fc = _f[0][0][1][1];
								var _fe = encode_cell({ r: _fr, c: _fc });
								if (sharedf[_fe]) temp_val.f = "" + stringify_formula(val.formula, range, val.cell, supbooks, opts);
								else temp_val.F = ((options.dense ? (out[_fr] || [])[_fc] : out[_fe]) || {}).F;
							} else temp_val.f = "" + stringify_formula(val.formula, range, val.cell, supbooks, opts);
						}
						if (BIFF2Fmt > 0) temp_val.z = BIFF2FmtTable[(temp_val.ixfe >> 8) & 0x1F];
						safe_format_xf(temp_val, options, wb.opts.Date1904);
						addcell(val.cell, temp_val, options);
						last_formula = val;
					} break;
					case 'String': {
						if (last_formula) { /* technically always true */
							last_formula.val = val;
							temp_val = make_cell(val, last_formula.cell.ixfe, 's');
							temp_val.XF = XFs[temp_val.ixfe];
							if (options.cellFormula) {
								temp_val.f = "" + stringify_formula(last_formula.formula, range, last_formula.cell, supbooks, opts);
							}
							if (BIFF2Fmt > 0) temp_val.z = BIFF2FmtTable[(temp_val.ixfe >> 8) & 0x1F];
							safe_format_xf(temp_val, options, wb.opts.Date1904);
							addcell(last_formula.cell, temp_val, options);
							last_formula = null;
						} else throw new Error("String record expects Formula");
					} break;
					case 'Array': {
						arrayf.push(val);
						var _arraystart = encode_cell(val[0].s);
						cc = options.dense ? (out[val[0].s.r] || [])[val[0].s.c] : out[_arraystart];
						if (options.cellFormula && cc) {
							if (!last_formula) break; /* technically unreachable */
							if (!_arraystart || !cc) break;
							cc.f = "" + stringify_formula(val[1], range, val[0], supbooks, opts);
							cc.F = encode_range(val[0]);
						}
					} break;
					case 'ShrFmla': {
						if (!cell_valid) break;
						if (!options.cellFormula) break;
						if (last_cell) {
							/* TODO: capture range */
							if (!last_formula) break; /* technically unreachable */
							sharedf[encode_cell(last_formula.cell)] = val[0];
							cc = options.dense ? (out[last_formula.cell.r] || [])[last_formula.cell.c] : out[encode_cell(last_formula.cell)];
							(cc || {}).f = "" + stringify_formula(val[0], range, lastcell, supbooks, opts);
						}
					} break;
					case 'LabelSst':
						temp_val = make_cell(sst[val.isst].t, val.ixfe, 's');
						if (sst[val.isst].h) temp_val.h = sst[val.isst].h;
						temp_val.XF = XFs[temp_val.ixfe];
						if (BIFF2Fmt > 0) temp_val.z = BIFF2FmtTable[(temp_val.ixfe >> 8) & 0x1F];
						safe_format_xf(temp_val, options, wb.opts.Date1904);
						addcell({ c: val.c, r: val.r }, temp_val, options);
						break;
					case 'Blank': if (options.sheetStubs) {
						temp_val = ({ ixfe: val.ixfe, XF: XFs[val.ixfe], t: 'z' });
						if (BIFF2Fmt > 0) temp_val.z = BIFF2FmtTable[(temp_val.ixfe >> 8) & 0x1F];
						safe_format_xf(temp_val, options, wb.opts.Date1904);
						addcell({ c: val.c, r: val.r }, temp_val, options);
					} break;
					case 'MulBlank': if (options.sheetStubs) {
						for (var _j = val.c; _j <= val.C; ++_j) {
							var _ixfe = val.ixfe[_j - val.c];
							temp_val = ({ ixfe: _ixfe, XF: XFs[_ixfe], t: 'z' });
							if (BIFF2Fmt > 0) temp_val.z = BIFF2FmtTable[(temp_val.ixfe >> 8) & 0x1F];
							safe_format_xf(temp_val, options, wb.opts.Date1904);
							addcell({ c: _j, r: val.r }, temp_val, options);
						}
					} break;
					case 'RString':
					case 'Label': case 'BIFF2STR':
						temp_val = make_cell(val.val, val.ixfe, 's');
						temp_val.XF = XFs[temp_val.ixfe];
						if (BIFF2Fmt > 0) temp_val.z = BIFF2FmtTable[(temp_val.ixfe >> 8) & 0x1F];
						safe_format_xf(temp_val, options, wb.opts.Date1904);
						addcell({ c: val.c, r: val.r }, temp_val, options);
						break;

					case 'Dimensions': {
						if (file_depth === 1) range = val; /* TODO: stack */
					} break;
					case 'SST': {
						sst = val;
					} break;
					case 'Format': { /* val = [id, fmt] */
						if (opts.biff == 4) {
							BIFF2FmtTable[BIFF2Fmt++] = val[1];
							for (var b4idx = 0; b4idx < BIFF2Fmt + 163; ++b4idx) if (SSF._table[b4idx] == val[1]) break;
							if (b4idx >= 163) SSF.load(val[1], BIFF2Fmt + 163);
						}
						else SSF.load(val[1], val[0]);
					} break;
					case 'BIFF2FORMAT': {
						BIFF2FmtTable[BIFF2Fmt++] = val;
						for (var b2idx = 0; b2idx < BIFF2Fmt + 163; ++b2idx) if (SSF._table[b2idx] == val) break;
						if (b2idx >= 163) SSF.load(val, BIFF2Fmt + 163);
					} break;

					case 'MergeCells': merges = merges.concat(val); break;

					case 'Obj': objects[val.cmo[0]] = opts.lastobj = val; break;
					case 'TxO': opts.lastobj.TxO = val; break;
					case 'ImData': opts.lastobj.ImData = val; break;

					case 'HLink': {
						for (rngR = val[0].s.r; rngR <= val[0].e.r; ++rngR)
							for (rngC = val[0].s.c; rngC <= val[0].e.c; ++rngC) {
								cc = options.dense ? (out[rngR] || [])[rngC] : out[encode_cell({ c: rngC, r: rngR })];
								if (cc) cc.l = val[1];
							}
					} break;
					case 'HLinkTooltip': {
						for (rngR = val[0].s.r; rngR <= val[0].e.r; ++rngR)
							for (rngC = val[0].s.c; rngC <= val[0].e.c; ++rngC) {
								cc = options.dense ? (out[rngR] || [])[rngC] : out[encode_cell({ c: rngC, r: rngR })];
								if (cc && cc.l) cc.l.Tooltip = val[1];
							}
					} break;

					/* Comments */
					case 'Note': {
						if (opts.biff <= 5 && opts.biff >= 2) break; /* TODO: BIFF5 */
						cc = options.dense ? (out[val[0].r] || [])[val[0].c] : out[encode_cell(val[0])];
						var noteobj = objects[val[2]];
						if (!cc) {
							if (options.dense) {
								if (!out[val[0].r]) out[val[0].r] = [];
								cc = out[val[0].r][val[0].c] = ({ t: "z" });
							} else {
								cc = out[encode_cell(val[0])] = ({ t: "z" });
							}
							range.e.r = Math.max(range.e.r, val[0].r);
							range.s.r = Math.min(range.s.r, val[0].r);
							range.e.c = Math.max(range.e.c, val[0].c);
							range.s.c = Math.min(range.s.c, val[0].c);
						}
						if (!cc.c) cc.c = [];
						cmnt = { a: val[1], t: noteobj.TxO.t };
						cc.c.push(cmnt);
					} break;

					default: switch (R.n) { /* nested */
						case 'ClrtClient': break;
						case 'XFExt': update_xfext(XFs[val.ixfe], val.ext); break;

						case 'DefColWidth': defwidth = val; break;
						case 'DefaultRowHeight': defheight = val[1]; break; // TODO: flags

						case 'ColInfo': {
							if (!opts.cellStyles) break;
							while (val.e >= val.s) {
								colinfo[val.e--] = { width: val.w / 256 };
								if (!seencol) { seencol = true; find_mdw_colw(val.w / 256); }
								process_col(colinfo[val.e + 1]);
							}
						} break;
						case 'Row': {
							var rowobj = {};
							if (val.level != null) { rowinfo[val.r] = rowobj; rowobj.level = val.level; }
							if (val.hidden) { rowinfo[val.r] = rowobj; rowobj.hidden = true; }
							if (val.hpt) {
								rowinfo[val.r] = rowobj;
								rowobj.hpt = val.hpt; rowobj.hpx = pt2px(val.hpt);
							}
						} break;

						case 'LeftMargin':
						case 'RightMargin':
						case 'TopMargin':
						case 'BottomMargin':
							if (!out['!margins']) default_margins(out['!margins'] = {});
							out['!margins'][Rn.slice(0, -6).toLowerCase()] = val;
							break;

						case 'Setup': // TODO
							if (!out['!margins']) default_margins(out['!margins'] = {});
							out['!margins'].header = val.header;
							out['!margins'].footer = val.footer;
							break;

						case 'Window2': // TODO
							// $FlowIgnore
							if (val.RTL) Workbook.Views[0].RTL = true;
							break;

						case 'Header': break; // TODO
						case 'Footer': break; // TODO
						case 'HCenter': break; // TODO
						case 'VCenter': break; // TODO
						case 'Pls': break; // TODO
						case 'GCW': break;
						case 'LHRecord': break;
						case 'DBCell': break; // TODO
						case 'EntExU2': break; // TODO
						case 'SxView': break; // TODO
						case 'Sxvd': break; // TODO
						case 'SXVI': break; // TODO
						case 'SXVDEx': break; // TODO
						case 'SxIvd': break; // TODO
						case 'SXString': break; // TODO
						case 'Sync': break;
						case 'Addin': break;
						case 'SXDI': break; // TODO
						case 'SXLI': break; // TODO
						case 'SXEx': break; // TODO
						case 'QsiSXTag': break; // TODO
						case 'Selection': break;
						case 'Feat': break;
						case 'FeatHdr': case 'FeatHdr11': break;
						case 'Feature11': case 'Feature12': case 'List12': break;
						case 'Country': country = val; break;
						case 'RecalcId': break;
						case 'DxGCol': break; // TODO: htmlify
						case 'Fbi': case 'Fbi2': case 'GelFrame': break;
						case 'Font': break; // TODO
						case 'XFCRC': break; // TODO
						case 'Style': break; // TODO
						case 'StyleExt': break; // TODO
						case 'Palette': palette = val; break;
						case 'Theme': themes = val; break;
						/* Protection */
						case 'ScenarioProtect': break;
						case 'ObjProtect': break;

						/* Conditional Formatting */
						case 'CondFmt12': break;

						/* Table */
						case 'Table': break; // TODO
						case 'TableStyles': break; // TODO
						case 'TableStyle': break; // TODO
						case 'TableStyleElement': break; // TODO

						/* PivotTable */
						case 'SXStreamID': break; // TODO
						case 'SXVS': break; // TODO
						case 'DConRef': break; // TODO
						case 'SXAddl': break; // TODO
						case 'DConBin': break; // TODO
						case 'DConName': break; // TODO
						case 'SXPI': break; // TODO
						case 'SxFormat': break; // TODO
						case 'SxSelect': break; // TODO
						case 'SxRule': break; // TODO
						case 'SxFilt': break; // TODO
						case 'SxItm': break; // TODO
						case 'SxDXF': break; // TODO

						/* Scenario Manager */
						case 'ScenMan': break;

						/* Data Consolidation */
						case 'DCon': break;

						/* Watched Cell */
						case 'CellWatch': break;

						/* Print Settings */
						case 'PrintRowCol': break;
						case 'PrintGrid': break;
						case 'PrintSize': break;

						case 'XCT': break;
						case 'CRN': break;

						case 'Scl': {
							//console.log("Zoom Level:", val[0]/val[1],val);
						} break;
						case 'SheetExt': {
							/* empty */
						} break;
						case 'SheetExtOptional': {
							/* empty */
						} break;

						/* VBA */
						case 'ObNoMacros': {
							/* empty */
						} break;
						case 'ObProj': {
							/* empty */
						} break;
						case 'CodeName': {
							if (!cur_sheet) Workbook.WBProps.CodeName = val || "ThisWorkbook";
							else wsprops.CodeName = val || wsprops.name;
						} break;
						case 'GUIDTypeLib': {
							/* empty */
						} break;

						case 'WOpt': break; // TODO: WTF?
						case 'PhoneticInfo': break;

						case 'OleObjectSize': break;

						/* Differential Formatting */
						case 'DXF': case 'DXFN': case 'DXFN12': case 'DXFN12List': case 'DXFN12NoCB': break;

						/* Data Validation */
						case 'Dv': case 'DVal': break;

						/* Data Series */
						case 'BRAI': case 'Series': case 'SeriesText': break;

						/* Data Connection */
						case 'DConn': break;
						case 'DbOrParamQry': break;
						case 'DBQueryExt': break;

						case 'OleDbConn': break;
						case 'ExtString': break;

						/* Formatting */
						case 'IFmtRecord': break;
						case 'CondFmt': case 'CF': case 'CF12': case 'CFEx': break;

						/* Explicitly Ignored */
						case 'Excel9File': break;
						case 'Units': break;
						case 'InterfaceHdr': case 'Mms': case 'InterfaceEnd': case 'DSF': break;
						case 'BuiltInFnGroupCount': /* 2.4.30 0x0E or 0x10 but excel 2011 generates 0x11? */ break;
						/* View Stuff */
						case 'Window1': case 'HideObj': case 'GridSet': case 'Guts':
						case 'UserBView': case 'UserSViewBegin': case 'UserSViewEnd': break;
						case 'Pane': break;
						default: switch (R.n) { /* nested */
							/* Chart */
							case 'Dat':
							case 'Begin': case 'End':
							case 'StartBlock': case 'EndBlock':
							case 'Frame': case 'Area':
							case 'Axis': case 'AxisLine': case 'Tick': break;
							case 'AxesUsed':
							case 'CrtLayout12': case 'CrtLayout12A': case 'CrtLink': case 'CrtLine': case 'CrtMlFrt': case 'CrtMlFrtContinue': break;
							case 'LineFormat': case 'AreaFormat':
							case 'Chart': case 'Chart3d': case 'Chart3DBarShape': case 'ChartFormat': case 'ChartFrtInfo': break;
							case 'PlotArea': case 'PlotGrowth': break;
							case 'SeriesList': case 'SerParent': case 'SerAuxTrend': break;
							case 'DataFormat': case 'SerToCrt': case 'FontX': break;
							case 'CatSerRange': case 'AxcExt': case 'SerFmt': break;
							case 'ShtProps': break;
							case 'DefaultText': case 'Text': case 'CatLab': break;
							case 'DataLabExtContents': break;
							case 'Legend': case 'LegendException': break;
							case 'Pie': case 'Scatter': break;
							case 'PieFormat': case 'MarkerFormat': break;
							case 'StartObject': case 'EndObject': break;
							case 'AlRuns': case 'ObjectLink': break;
							case 'SIIndex': break;
							case 'AttachedLabel': case 'YMult': break;

							/* Chart Group */
							case 'Line': case 'Bar': break;
							case 'Surf': break;

							/* Axis Group */
							case 'AxisParent': break;
							case 'Pos': break;
							case 'ValueRange': break;

							/* Pivot Chart */
							case 'SXViewEx9': break; // TODO
							case 'SXViewLink': break;
							case 'PivotChartBits': break;
							case 'SBaseRef': break;
							case 'TextPropsStream': break;

							/* Chart Misc */
							case 'LnExt': break;
							case 'MkrExt': break;
							case 'CrtCoopt': break;

							/* Query Table */
							case 'Qsi': case 'Qsif': case 'Qsir': case 'QsiSXTag': break;
							case 'TxtQry': break;

							/* Filter */
							case 'FilterMode': break;
							case 'AutoFilter': case 'AutoFilterInfo': break;
							case 'AutoFilter12': break;
							case 'DropDownObjIds': break;
							case 'Sort': break;
							case 'SortData': break;

							/* Drawing */
							case 'ShapePropsStream': break;
							case 'MsoDrawing': case 'MsoDrawingGroup': case 'MsoDrawingSelection': break;
							/* Pub Stuff */
							case 'WebPub': case 'AutoWebPub': break;

							/* Print Stuff */
							case 'HeaderFooter': case 'HFPicture': case 'PLV':
							case 'HorizontalPageBreaks': case 'VerticalPageBreaks': break;
							/* Behavioral */
							case 'Backup': case 'CompressPictures': case 'Compat12': break;

							/* Should not Happen */
							case 'Continue': case 'ContinueFrt12': break;

							/* Future Records */
							case 'FrtFontList': case 'FrtWrapper': break;

							default: switch (R.n) { /* nested */
								/* BIFF5 records */
								case 'TabIdConf': case 'Radar': case 'RadarArea': case 'DropBar': case 'Intl': case 'CoordList': case 'SerAuxErrBar': break;

								/* BIFF2-4 records */
								case 'BIFF2FONTCLR': case 'BIFF2FMTCNT': case 'BIFF2FONTXTRA': break;
								case 'BIFF2XF': case 'BIFF3XF': case 'BIFF4XF': break;
								case 'BIFF4FMTCNT': case 'BIFF2ROW': case 'BIFF2WINDOW2': break;

								/* Miscellaneous */
								case 'SCENARIO': case 'DConBin': case 'PicF': case 'DataLabExt':
								case 'Lel': case 'BopPop': case 'BopPopCustom': case 'RealTimeData':
								case 'Name': break;
								case 'LHNGraph': case 'FnGroupName': case 'AddMenu': case 'LPr': break;
								case 'ListObj': case 'ListField': break;
								case 'RRSort': break;
								case 'BigName': break;
								case 'ToolbarHdr': case 'ToolbarEnd': break;
								case 'DDEObjName': break;
								case 'FRTArchId$': break;
								default: if (options.WTF) throw 'Unrecognized Record ' + R.n;
							}
						}
					}
				}
			} else blob.l += length;
		}
		wb.SheetNames = keys(Directory).sort(function (a, b) { return Number(a) - Number(b); }).map(function (x) { return Directory[x].name; });
		if (!options.bookSheets) wb.Sheets = Sheets;
		if (wb.Sheets) FilterDatabases.forEach(function (r, i) { wb.Sheets[wb.SheetNames[i]]['!autofilter'] = r; });
		wb.Preamble = Preamble;
		wb.Strings = sst;
		wb.SSF = SSF.get_table();
		if (opts.enc) wb.Encryption = opts.enc;
		if (themes) wb.Themes = themes;
		wb.Metadata = {};
		if (country !== undefined) wb.Metadata.Country = country;
		if (supbooks.names.length > 0) Workbook.Names = supbooks.names;
		wb.Workbook = Workbook;
		return wb;
	}

	/* TODO: split props*/
	var PSCLSID = {
		SI: "e0859ff2f94f6810ab9108002b27b3d9",
		DSI: "02d5cdd59c2e1b10939708002b2cf9ae",
		UDI: "05d5cdd59c2e1b10939708002b2cf9ae"
	};
	function parse_xls_props(cfb, props, o) {
		/* [MS-OSHARED] 2.3.3.2.2 Document Summary Information Property Set */
		var DSI = CFB.find(cfb, '!DocumentSummaryInformation');
		if (DSI && DSI.size > 0) try {
			var DocSummary = parse_PropertySetStream(DSI, DocSummaryPIDDSI, PSCLSID.DSI);
			for (var d in DocSummary) props[d] = DocSummary[d];
		} catch (e) { if (o.WTF) throw e;/* empty */ }

		/* [MS-OSHARED] 2.3.3.2.1 Summary Information Property Set*/
		var SI = CFB.find(cfb, '!SummaryInformation');
		if (SI && SI.size > 0) try {
			var Summary = parse_PropertySetStream(SI, SummaryPIDSI, PSCLSID.SI);
			for (var s in Summary) if (props[s] == null) props[s] = Summary[s];
		} catch (e) { if (o.WTF) throw e;/* empty */ }

		if (props.HeadingPairs && props.TitlesOfParts) {
			load_props_pairs(props.HeadingPairs, props.TitlesOfParts, props, o);
			delete props.HeadingPairs; delete props.TitlesOfParts;
		}
	}
	function write_xls_props(wb, cfb) {
		var DSEntries = [], SEntries = [], CEntries = [];
		var i = 0, Keys;
		if (wb.Props) {
			Keys = keys(wb.Props);
			// $FlowIgnore
			for (i = 0; i < Keys.length; ++i) (DocSummaryRE.hasOwnProperty(Keys[i]) ? DSEntries : SummaryRE.hasOwnProperty(Keys[i]) ? SEntries : CEntries).push([Keys[i], wb.Props[Keys[i]]]);
		}
		if (wb.Custprops) {
			Keys = keys(wb.Custprops);
			// $FlowIgnore
			for (i = 0; i < Keys.length; ++i) if (!(wb.Props || {}).hasOwnProperty(Keys[i])) (DocSummaryRE.hasOwnProperty(Keys[i]) ? DSEntries : SummaryRE.hasOwnProperty(Keys[i]) ? SEntries : CEntries).push([Keys[i], wb.Custprops[Keys[i]]]);
		}
		var CEntries2 = [];
		for (i = 0; i < CEntries.length; ++i) {
			if (XLSPSSkip.indexOf(CEntries[i][0]) > -1) continue;
			if (CEntries[i][1] == null) continue;
			CEntries2.push(CEntries[i]);
		}
		if (SEntries.length) CFB.utils.cfb_add(cfb, "/\u0005SummaryInformation", write_PropertySetStream(SEntries, PSCLSID.SI, SummaryRE, SummaryPIDSI));
		if (DSEntries.length || CEntries2.length) CFB.utils.cfb_add(cfb, "/\u0005DocumentSummaryInformation", write_PropertySetStream(DSEntries, PSCLSID.DSI, DocSummaryRE, DocSummaryPIDDSI, CEntries2.length ? CEntries2 : null, PSCLSID.UDI));
	}

	function parse_xlscfb(cfb, options) {
		if (!options) options = {};
		fix_read_opts(options);
		reset_cp();
		if (options.codepage) set_ansi(options.codepage);
		var CompObj, WB;
		if (cfb.FullPaths) {
			if (CFB.find(cfb, '/encryption')) throw new Error("File is password-protected");
			CompObj = CFB.find(cfb, '!CompObj');
			WB = CFB.find(cfb, '/Workbook') || CFB.find(cfb, '/Book');
		} else {
			switch (options.type) {
				case 'base64': cfb = s2a(Base64.decode(cfb)); break;
				case 'binary': cfb = s2a(cfb); break;
				case 'buffer': break;
				case 'array': if (!Array.isArray(cfb)) cfb = Array.prototype.slice.call(cfb); break;
			}
			prep_blob(cfb, 0);
			WB = ({ content: cfb });
		}
		var WorkbookP;

		var _data;
		if (CompObj) parse_compobj(CompObj);
		if (options.bookProps && !options.bookSheets) WorkbookP = ({});
		else {
			var T = has_buf ? 'buffer' : 'array';
			if (WB && WB.content) WorkbookP = parse_workbook(WB.content, options);
			/* Quattro Pro 7-8 */
			else if ((_data = CFB.find(cfb, 'PerfectOffice_MAIN')) && _data.content) WorkbookP = WK_.to_workbook(_data.content, (options.type = T, options));
			/* Quattro Pro 9 */
			else if ((_data = CFB.find(cfb, 'NativeContent_MAIN')) && _data.content) WorkbookP = WK_.to_workbook(_data.content, (options.type = T, options));
			else throw new Error("Cannot find Workbook stream");
			if (options.bookVBA && cfb.FullPaths && CFB.find(cfb, '/_VBA_PROJECT_CUR/VBA/dir')) WorkbookP.vbaraw = make_vba_xls(cfb);
		}

		var props = {};
		if (cfb.FullPaths) parse_xls_props(cfb, props, options);

		WorkbookP.Props = WorkbookP.Custprops = props; /* TODO: split up properties */
		if (options.bookFiles) WorkbookP.cfb = cfb;
		/*WorkbookP.CompObjP = CompObjP; // TODO: storage? */
		return WorkbookP;
	}


	function write_xlscfb(wb, opts) {
		var o = opts || {};
		var cfb = CFB.utils.cfb_new({ root: "R" });
		var wbpath = "/Workbook";
		switch (o.bookType || "xls") {
			case "xls": o.bookType = "biff8";
			/* falls through */
			case "xla": if (!o.bookType) o.bookType = "xla";
			/* falls through */
			case "biff8": wbpath = "/Workbook"; o.biff = 8; break;
			case "biff5": wbpath = "/Book"; o.biff = 5; break;
			default: throw new Error("invalid type " + o.bookType + " for XLS CFB");
		}
		CFB.utils.cfb_add(cfb, wbpath, write_biff_buf(wb, o));
		if (o.biff == 8 && (wb.Props || wb.Custprops)) write_xls_props(wb, cfb);
		// TODO: SI, DSI, CO
		if (o.biff == 8 && wb.vbaraw) fill_vba_xls(cfb, CFB.read(wb.vbaraw, { type: typeof wb.vbaraw == "string" ? "binary" : "buffer" }));
		return cfb;
	}
	/* [MS-XLSB] 2.3 Record Enumeration */
	var XLSBRecordEnum = {
		0x0000: { n: "BrtRowHdr", f: parse_BrtRowHdr },
		0x0001: { n: "BrtCellBlank", f: parse_BrtCellBlank },
		0x0002: { n: "BrtCellRk", f: parse_BrtCellRk },
		0x0003: { n: "BrtCellError", f: parse_BrtCellError },
		0x0004: { n: "BrtCellBool", f: parse_BrtCellBool },
		0x0005: { n: "BrtCellReal", f: parse_BrtCellReal },
		0x0006: { n: "BrtCellSt", f: parse_BrtCellSt },
		0x0007: { n: "BrtCellIsst", f: parse_BrtCellIsst },
		0x0008: { n: "BrtFmlaString", f: parse_BrtFmlaString },
		0x0009: { n: "BrtFmlaNum", f: parse_BrtFmlaNum },
		0x000A: { n: "BrtFmlaBool", f: parse_BrtFmlaBool },
		0x000B: { n: "BrtFmlaError", f: parse_BrtFmlaError },
		0x0010: { n: "BrtFRTArchID$", f: parse_BrtFRTArchID$ },
		0x0013: { n: "BrtSSTItem", f: parse_RichStr },
		0x0014: { n: "BrtPCDIMissing" },
		0x0015: { n: "BrtPCDINumber" },
		0x0016: { n: "BrtPCDIBoolean" },
		0x0017: { n: "BrtPCDIError" },
		0x0018: { n: "BrtPCDIString" },
		0x0019: { n: "BrtPCDIDatetime" },
		0x001A: { n: "BrtPCDIIndex" },
		0x001B: { n: "BrtPCDIAMissing" },
		0x001C: { n: "BrtPCDIANumber" },
		0x001D: { n: "BrtPCDIABoolean" },
		0x001E: { n: "BrtPCDIAError" },
		0x001F: { n: "BrtPCDIAString" },
		0x0020: { n: "BrtPCDIADatetime" },
		0x0021: { n: "BrtPCRRecord" },
		0x0022: { n: "BrtPCRRecordDt" },
		0x0023: { n: "BrtFRTBegin" },
		0x0024: { n: "BrtFRTEnd" },
		0x0025: { n: "BrtACBegin" },
		0x0026: { n: "BrtACEnd" },
		0x0027: { n: "BrtName", f: parse_BrtName },
		0x0028: { n: "BrtIndexRowBlock" },
		0x002A: { n: "BrtIndexBlock" },
		0x002B: { n: "BrtFont", f: parse_BrtFont },
		0x002C: { n: "BrtFmt", f: parse_BrtFmt },
		0x002D: { n: "BrtFill", f: parse_BrtFill },
		0x002E: { n: "BrtBorder", f: parse_BrtBorder },
		0x002F: { n: "BrtXF", f: parse_BrtXF },
		0x0030: { n: "BrtStyle" },
		0x0031: { n: "BrtCellMeta" },
		0x0032: { n: "BrtValueMeta" },
		0x0033: { n: "BrtMdb" },
		0x0034: { n: "BrtBeginFmd" },
		0x0035: { n: "BrtEndFmd" },
		0x0036: { n: "BrtBeginMdx" },
		0x0037: { n: "BrtEndMdx" },
		0x0038: { n: "BrtBeginMdxTuple" },
		0x0039: { n: "BrtEndMdxTuple" },
		0x003A: { n: "BrtMdxMbrIstr" },
		0x003B: { n: "BrtStr" },
		0x003C: { n: "BrtColInfo", f: parse_ColInfo },
		0x003E: { n: "BrtCellRString" },
		0x003F: { n: "BrtCalcChainItem$", f: parse_BrtCalcChainItem$ },
		0x0040: { n: "BrtDVal", f: parse_BrtDVal },
		0x0041: { n: "BrtSxvcellNum" },
		0x0042: { n: "BrtSxvcellStr" },
		0x0043: { n: "BrtSxvcellBool" },
		0x0044: { n: "BrtSxvcellErr" },
		0x0045: { n: "BrtSxvcellDate" },
		0x0046: { n: "BrtSxvcellNil" },
		0x0080: { n: "BrtFileVersion" },
		0x0081: { n: "BrtBeginSheet" },
		0x0082: { n: "BrtEndSheet" },
		0x0083: { n: "BrtBeginBook", f: parsenoop, p: 0 },
		0x0084: { n: "BrtEndBook" },
		0x0085: { n: "BrtBeginWsViews" },
		0x0086: { n: "BrtEndWsViews" },
		0x0087: { n: "BrtBeginBookViews" },
		0x0088: { n: "BrtEndBookViews" },
		0x0089: { n: "BrtBeginWsView", f: parse_BrtBeginWsView },
		0x008A: { n: "BrtEndWsView" },
		0x008B: { n: "BrtBeginCsViews" },
		0x008C: { n: "BrtEndCsViews" },
		0x008D: { n: "BrtBeginCsView" },
		0x008E: { n: "BrtEndCsView" },
		0x008F: { n: "BrtBeginBundleShs" },
		0x0090: { n: "BrtEndBundleShs" },
		0x0091: { n: "BrtBeginSheetData" },
		0x0092: { n: "BrtEndSheetData" },
		0x0093: { n: "BrtWsProp", f: parse_BrtWsProp },
		0x0094: { n: "BrtWsDim", f: parse_BrtWsDim, p: 16 },
		0x0097: { n: "BrtPane", f: parse_BrtPane },
		0x0098: { n: "BrtSel" },
		0x0099: { n: "BrtWbProp", f: parse_BrtWbProp },
		0x009A: { n: "BrtWbFactoid" },
		0x009B: { n: "BrtFileRecover" },
		0x009C: { n: "BrtBundleSh", f: parse_BrtBundleSh },
		0x009D: { n: "BrtCalcProp" },
		0x009E: { n: "BrtBookView" },
		0x009F: { n: "BrtBeginSst", f: parse_BrtBeginSst },
		0x00A0: { n: "BrtEndSst" },
		0x00A1: { n: "BrtBeginAFilter", f: parse_UncheckedRfX },
		0x00A2: { n: "BrtEndAFilter" },
		0x00A3: { n: "BrtBeginFilterColumn" },
		0x00A4: { n: "BrtEndFilterColumn" },
		0x00A5: { n: "BrtBeginFilters" },
		0x00A6: { n: "BrtEndFilters" },
		0x00A7: { n: "BrtFilter" },
		0x00A8: { n: "BrtColorFilter" },
		0x00A9: { n: "BrtIconFilter" },
		0x00AA: { n: "BrtTop10Filter" },
		0x00AB: { n: "BrtDynamicFilter" },
		0x00AC: { n: "BrtBeginCustomFilters" },
		0x00AD: { n: "BrtEndCustomFilters" },
		0x00AE: { n: "BrtCustomFilter" },
		0x00AF: { n: "BrtAFilterDateGroupItem" },
		0x00B0: { n: "BrtMergeCell", f: parse_BrtMergeCell },
		0x00B1: { n: "BrtBeginMergeCells" },
		0x00B2: { n: "BrtEndMergeCells" },
		0x00B3: { n: "BrtBeginPivotCacheDef" },
		0x00B4: { n: "BrtEndPivotCacheDef" },
		0x00B5: { n: "BrtBeginPCDFields" },
		0x00B6: { n: "BrtEndPCDFields" },
		0x00B7: { n: "BrtBeginPCDField" },
		0x00B8: { n: "BrtEndPCDField" },
		0x00B9: { n: "BrtBeginPCDSource" },
		0x00BA: { n: "BrtEndPCDSource" },
		0x00BB: { n: "BrtBeginPCDSRange" },
		0x00BC: { n: "BrtEndPCDSRange" },
		0x00BD: { n: "BrtBeginPCDFAtbl" },
		0x00BE: { n: "BrtEndPCDFAtbl" },
		0x00BF: { n: "BrtBeginPCDIRun" },
		0x00C0: { n: "BrtEndPCDIRun" },
		0x00C1: { n: "BrtBeginPivotCacheRecords" },
		0x00C2: { n: "BrtEndPivotCacheRecords" },
		0x00C3: { n: "BrtBeginPCDHierarchies" },
		0x00C4: { n: "BrtEndPCDHierarchies" },
		0x00C5: { n: "BrtBeginPCDHierarchy" },
		0x00C6: { n: "BrtEndPCDHierarchy" },
		0x00C7: { n: "BrtBeginPCDHFieldsUsage" },
		0x00C8: { n: "BrtEndPCDHFieldsUsage" },
		0x00C9: { n: "BrtBeginExtConnection" },
		0x00CA: { n: "BrtEndExtConnection" },
		0x00CB: { n: "BrtBeginECDbProps" },
		0x00CC: { n: "BrtEndECDbProps" },
		0x00CD: { n: "BrtBeginECOlapProps" },
		0x00CE: { n: "BrtEndECOlapProps" },
		0x00CF: { n: "BrtBeginPCDSConsol" },
		0x00D0: { n: "BrtEndPCDSConsol" },
		0x00D1: { n: "BrtBeginPCDSCPages" },
		0x00D2: { n: "BrtEndPCDSCPages" },
		0x00D3: { n: "BrtBeginPCDSCPage" },
		0x00D4: { n: "BrtEndPCDSCPage" },
		0x00D5: { n: "BrtBeginPCDSCPItem" },
		0x00D6: { n: "BrtEndPCDSCPItem" },
		0x00D7: { n: "BrtBeginPCDSCSets" },
		0x00D8: { n: "BrtEndPCDSCSets" },
		0x00D9: { n: "BrtBeginPCDSCSet" },
		0x00DA: { n: "BrtEndPCDSCSet" },
		0x00DB: { n: "BrtBeginPCDFGroup" },
		0x00DC: { n: "BrtEndPCDFGroup" },
		0x00DD: { n: "BrtBeginPCDFGItems" },
		0x00DE: { n: "BrtEndPCDFGItems" },
		0x00DF: { n: "BrtBeginPCDFGRange" },
		0x00E0: { n: "BrtEndPCDFGRange" },
		0x00E1: { n: "BrtBeginPCDFGDiscrete" },
		0x00E2: { n: "BrtEndPCDFGDiscrete" },
		0x00E3: { n: "BrtBeginPCDSDTupleCache" },
		0x00E4: { n: "BrtEndPCDSDTupleCache" },
		0x00E5: { n: "BrtBeginPCDSDTCEntries" },
		0x00E6: { n: "BrtEndPCDSDTCEntries" },
		0x00E7: { n: "BrtBeginPCDSDTCEMembers" },
		0x00E8: { n: "BrtEndPCDSDTCEMembers" },
		0x00E9: { n: "BrtBeginPCDSDTCEMember" },
		0x00EA: { n: "BrtEndPCDSDTCEMember" },
		0x00EB: { n: "BrtBeginPCDSDTCQueries" },
		0x00EC: { n: "BrtEndPCDSDTCQueries" },
		0x00ED: { n: "BrtBeginPCDSDTCQuery" },
		0x00EE: { n: "BrtEndPCDSDTCQuery" },
		0x00EF: { n: "BrtBeginPCDSDTCSets" },
		0x00F0: { n: "BrtEndPCDSDTCSets" },
		0x00F1: { n: "BrtBeginPCDSDTCSet" },
		0x00F2: { n: "BrtEndPCDSDTCSet" },
		0x00F3: { n: "BrtBeginPCDCalcItems" },
		0x00F4: { n: "BrtEndPCDCalcItems" },
		0x00F5: { n: "BrtBeginPCDCalcItem" },
		0x00F6: { n: "BrtEndPCDCalcItem" },
		0x00F7: { n: "BrtBeginPRule" },
		0x00F8: { n: "BrtEndPRule" },
		0x00F9: { n: "BrtBeginPRFilters" },
		0x00FA: { n: "BrtEndPRFilters" },
		0x00FB: { n: "BrtBeginPRFilter" },
		0x00FC: { n: "BrtEndPRFilter" },
		0x00FD: { n: "BrtBeginPNames" },
		0x00FE: { n: "BrtEndPNames" },
		0x00FF: { n: "BrtBeginPName" },
		0x0100: { n: "BrtEndPName" },
		0x0101: { n: "BrtBeginPNPairs" },
		0x0102: { n: "BrtEndPNPairs" },
		0x0103: { n: "BrtBeginPNPair" },
		0x0104: { n: "BrtEndPNPair" },
		0x0105: { n: "BrtBeginECWebProps" },
		0x0106: { n: "BrtEndECWebProps" },
		0x0107: { n: "BrtBeginEcWpTables" },
		0x0108: { n: "BrtEndECWPTables" },
		0x0109: { n: "BrtBeginECParams" },
		0x010A: { n: "BrtEndECParams" },
		0x010B: { n: "BrtBeginECParam" },
		0x010C: { n: "BrtEndECParam" },
		0x010D: { n: "BrtBeginPCDKPIs" },
		0x010E: { n: "BrtEndPCDKPIs" },
		0x010F: { n: "BrtBeginPCDKPI" },
		0x0110: { n: "BrtEndPCDKPI" },
		0x0111: { n: "BrtBeginDims" },
		0x0112: { n: "BrtEndDims" },
		0x0113: { n: "BrtBeginDim" },
		0x0114: { n: "BrtEndDim" },
		0x0115: { n: "BrtIndexPartEnd" },
		0x0116: { n: "BrtBeginStyleSheet" },
		0x0117: { n: "BrtEndStyleSheet" },
		0x0118: { n: "BrtBeginSXView" },
		0x0119: { n: "BrtEndSXVI" },
		0x011A: { n: "BrtBeginSXVI" },
		0x011B: { n: "BrtBeginSXVIs" },
		0x011C: { n: "BrtEndSXVIs" },
		0x011D: { n: "BrtBeginSXVD" },
		0x011E: { n: "BrtEndSXVD" },
		0x011F: { n: "BrtBeginSXVDs" },
		0x0120: { n: "BrtEndSXVDs" },
		0x0121: { n: "BrtBeginSXPI" },
		0x0122: { n: "BrtEndSXPI" },
		0x0123: { n: "BrtBeginSXPIs" },
		0x0124: { n: "BrtEndSXPIs" },
		0x0125: { n: "BrtBeginSXDI" },
		0x0126: { n: "BrtEndSXDI" },
		0x0127: { n: "BrtBeginSXDIs" },
		0x0128: { n: "BrtEndSXDIs" },
		0x0129: { n: "BrtBeginSXLI" },
		0x012A: { n: "BrtEndSXLI" },
		0x012B: { n: "BrtBeginSXLIRws" },
		0x012C: { n: "BrtEndSXLIRws" },
		0x012D: { n: "BrtBeginSXLICols" },
		0x012E: { n: "BrtEndSXLICols" },
		0x012F: { n: "BrtBeginSXFormat" },
		0x0130: { n: "BrtEndSXFormat" },
		0x0131: { n: "BrtBeginSXFormats" },
		0x0132: { n: "BrtEndSxFormats" },
		0x0133: { n: "BrtBeginSxSelect" },
		0x0134: { n: "BrtEndSxSelect" },
		0x0135: { n: "BrtBeginISXVDRws" },
		0x0136: { n: "BrtEndISXVDRws" },
		0x0137: { n: "BrtBeginISXVDCols" },
		0x0138: { n: "BrtEndISXVDCols" },
		0x0139: { n: "BrtEndSXLocation" },
		0x013A: { n: "BrtBeginSXLocation" },
		0x013B: { n: "BrtEndSXView" },
		0x013C: { n: "BrtBeginSXTHs" },
		0x013D: { n: "BrtEndSXTHs" },
		0x013E: { n: "BrtBeginSXTH" },
		0x013F: { n: "BrtEndSXTH" },
		0x0140: { n: "BrtBeginISXTHRws" },
		0x0141: { n: "BrtEndISXTHRws" },
		0x0142: { n: "BrtBeginISXTHCols" },
		0x0143: { n: "BrtEndISXTHCols" },
		0x0144: { n: "BrtBeginSXTDMPS" },
		0x0145: { n: "BrtEndSXTDMPs" },
		0x0146: { n: "BrtBeginSXTDMP" },
		0x0147: { n: "BrtEndSXTDMP" },
		0x0148: { n: "BrtBeginSXTHItems" },
		0x0149: { n: "BrtEndSXTHItems" },
		0x014A: { n: "BrtBeginSXTHItem" },
		0x014B: { n: "BrtEndSXTHItem" },
		0x014C: { n: "BrtBeginMetadata" },
		0x014D: { n: "BrtEndMetadata" },
		0x014E: { n: "BrtBeginEsmdtinfo" },
		0x014F: { n: "BrtMdtinfo" },
		0x0150: { n: "BrtEndEsmdtinfo" },
		0x0151: { n: "BrtBeginEsmdb" },
		0x0152: { n: "BrtEndEsmdb" },
		0x0153: { n: "BrtBeginEsfmd" },
		0x0154: { n: "BrtEndEsfmd" },
		0x0155: { n: "BrtBeginSingleCells" },
		0x0156: { n: "BrtEndSingleCells" },
		0x0157: { n: "BrtBeginList" },
		0x0158: { n: "BrtEndList" },
		0x0159: { n: "BrtBeginListCols" },
		0x015A: { n: "BrtEndListCols" },
		0x015B: { n: "BrtBeginListCol" },
		0x015C: { n: "BrtEndListCol" },
		0x015D: { n: "BrtBeginListXmlCPr" },
		0x015E: { n: "BrtEndListXmlCPr" },
		0x015F: { n: "BrtListCCFmla" },
		0x0160: { n: "BrtListTrFmla" },
		0x0161: { n: "BrtBeginExternals" },
		0x0162: { n: "BrtEndExternals" },
		0x0163: { n: "BrtSupBookSrc", f: parse_RelID },
		0x0165: { n: "BrtSupSelf" },
		0x0166: { n: "BrtSupSame" },
		0x0167: { n: "BrtSupTabs" },
		0x0168: { n: "BrtBeginSupBook" },
		0x0169: { n: "BrtPlaceholderName" },
		0x016A: { n: "BrtExternSheet", f: parse_ExternSheet },
		0x016B: { n: "BrtExternTableStart" },
		0x016C: { n: "BrtExternTableEnd" },
		0x016E: { n: "BrtExternRowHdr" },
		0x016F: { n: "BrtExternCellBlank" },
		0x0170: { n: "BrtExternCellReal" },
		0x0171: { n: "BrtExternCellBool" },
		0x0172: { n: "BrtExternCellError" },
		0x0173: { n: "BrtExternCellString" },
		0x0174: { n: "BrtBeginEsmdx" },
		0x0175: { n: "BrtEndEsmdx" },
		0x0176: { n: "BrtBeginMdxSet" },
		0x0177: { n: "BrtEndMdxSet" },
		0x0178: { n: "BrtBeginMdxMbrProp" },
		0x0179: { n: "BrtEndMdxMbrProp" },
		0x017A: { n: "BrtBeginMdxKPI" },
		0x017B: { n: "BrtEndMdxKPI" },
		0x017C: { n: "BrtBeginEsstr" },
		0x017D: { n: "BrtEndEsstr" },
		0x017E: { n: "BrtBeginPRFItem" },
		0x017F: { n: "BrtEndPRFItem" },
		0x0180: { n: "BrtBeginPivotCacheIDs" },
		0x0181: { n: "BrtEndPivotCacheIDs" },
		0x0182: { n: "BrtBeginPivotCacheID" },
		0x0183: { n: "BrtEndPivotCacheID" },
		0x0184: { n: "BrtBeginISXVIs" },
		0x0185: { n: "BrtEndISXVIs" },
		0x0186: { n: "BrtBeginColInfos" },
		0x0187: { n: "BrtEndColInfos" },
		0x0188: { n: "BrtBeginRwBrk" },
		0x0189: { n: "BrtEndRwBrk" },
		0x018A: { n: "BrtBeginColBrk" },
		0x018B: { n: "BrtEndColBrk" },
		0x018C: { n: "BrtBrk" },
		0x018D: { n: "BrtUserBookView" },
		0x018E: { n: "BrtInfo" },
		0x018F: { n: "BrtCUsr" },
		0x0190: { n: "BrtUsr" },
		0x0191: { n: "BrtBeginUsers" },
		0x0193: { n: "BrtEOF" },
		0x0194: { n: "BrtUCR" },
		0x0195: { n: "BrtRRInsDel" },
		0x0196: { n: "BrtRREndInsDel" },
		0x0197: { n: "BrtRRMove" },
		0x0198: { n: "BrtRREndMove" },
		0x0199: { n: "BrtRRChgCell" },
		0x019A: { n: "BrtRREndChgCell" },
		0x019B: { n: "BrtRRHeader" },
		0x019C: { n: "BrtRRUserView" },
		0x019D: { n: "BrtRRRenSheet" },
		0x019E: { n: "BrtRRInsertSh" },
		0x019F: { n: "BrtRRDefName" },
		0x01A0: { n: "BrtRRNote" },
		0x01A1: { n: "BrtRRConflict" },
		0x01A2: { n: "BrtRRTQSIF" },
		0x01A3: { n: "BrtRRFormat" },
		0x01A4: { n: "BrtRREndFormat" },
		0x01A5: { n: "BrtRRAutoFmt" },
		0x01A6: { n: "BrtBeginUserShViews" },
		0x01A7: { n: "BrtBeginUserShView" },
		0x01A8: { n: "BrtEndUserShView" },
		0x01A9: { n: "BrtEndUserShViews" },
		0x01AA: { n: "BrtArrFmla", f: parse_BrtArrFmla },
		0x01AB: { n: "BrtShrFmla", f: parse_BrtShrFmla },
		0x01AC: { n: "BrtTable" },
		0x01AD: { n: "BrtBeginExtConnections" },
		0x01AE: { n: "BrtEndExtConnections" },
		0x01AF: { n: "BrtBeginPCDCalcMems" },
		0x01B0: { n: "BrtEndPCDCalcMems" },
		0x01B1: { n: "BrtBeginPCDCalcMem" },
		0x01B2: { n: "BrtEndPCDCalcMem" },
		0x01B3: { n: "BrtBeginPCDHGLevels" },
		0x01B4: { n: "BrtEndPCDHGLevels" },
		0x01B5: { n: "BrtBeginPCDHGLevel" },
		0x01B6: { n: "BrtEndPCDHGLevel" },
		0x01B7: { n: "BrtBeginPCDHGLGroups" },
		0x01B8: { n: "BrtEndPCDHGLGroups" },
		0x01B9: { n: "BrtBeginPCDHGLGroup" },
		0x01BA: { n: "BrtEndPCDHGLGroup" },
		0x01BB: { n: "BrtBeginPCDHGLGMembers" },
		0x01BC: { n: "BrtEndPCDHGLGMembers" },
		0x01BD: { n: "BrtBeginPCDHGLGMember" },
		0x01BE: { n: "BrtEndPCDHGLGMember" },
		0x01BF: { n: "BrtBeginQSI" },
		0x01C0: { n: "BrtEndQSI" },
		0x01C1: { n: "BrtBeginQSIR" },
		0x01C2: { n: "BrtEndQSIR" },
		0x01C3: { n: "BrtBeginDeletedNames" },
		0x01C4: { n: "BrtEndDeletedNames" },
		0x01C5: { n: "BrtBeginDeletedName" },
		0x01C6: { n: "BrtEndDeletedName" },
		0x01C7: { n: "BrtBeginQSIFs" },
		0x01C8: { n: "BrtEndQSIFs" },
		0x01C9: { n: "BrtBeginQSIF" },
		0x01CA: { n: "BrtEndQSIF" },
		0x01CB: { n: "BrtBeginAutoSortScope" },
		0x01CC: { n: "BrtEndAutoSortScope" },
		0x01CD: { n: "BrtBeginConditionalFormatting" },
		0x01CE: { n: "BrtEndConditionalFormatting" },
		0x01CF: { n: "BrtBeginCFRule" },
		0x01D0: { n: "BrtEndCFRule" },
		0x01D1: { n: "BrtBeginIconSet" },
		0x01D2: { n: "BrtEndIconSet" },
		0x01D3: { n: "BrtBeginDatabar" },
		0x01D4: { n: "BrtEndDatabar" },
		0x01D5: { n: "BrtBeginColorScale" },
		0x01D6: { n: "BrtEndColorScale" },
		0x01D7: { n: "BrtCFVO" },
		0x01D8: { n: "BrtExternValueMeta" },
		0x01D9: { n: "BrtBeginColorPalette" },
		0x01DA: { n: "BrtEndColorPalette" },
		0x01DB: { n: "BrtIndexedColor" },
		0x01DC: { n: "BrtMargins", f: parse_BrtMargins },
		0x01DD: { n: "BrtPrintOptions" },
		0x01DE: { n: "BrtPageSetup" },
		0x01DF: { n: "BrtBeginHeaderFooter" },
		0x01E0: { n: "BrtEndHeaderFooter" },
		0x01E1: { n: "BrtBeginSXCrtFormat" },
		0x01E2: { n: "BrtEndSXCrtFormat" },
		0x01E3: { n: "BrtBeginSXCrtFormats" },
		0x01E4: { n: "BrtEndSXCrtFormats" },
		0x01E5: { n: "BrtWsFmtInfo", f: parse_BrtWsFmtInfo },
		0x01E6: { n: "BrtBeginMgs" },
		0x01E7: { n: "BrtEndMGs" },
		0x01E8: { n: "BrtBeginMGMaps" },
		0x01E9: { n: "BrtEndMGMaps" },
		0x01EA: { n: "BrtBeginMG" },
		0x01EB: { n: "BrtEndMG" },
		0x01EC: { n: "BrtBeginMap" },
		0x01ED: { n: "BrtEndMap" },
		0x01EE: { n: "BrtHLink", f: parse_BrtHLink },
		0x01EF: { n: "BrtBeginDCon" },
		0x01F0: { n: "BrtEndDCon" },
		0x01F1: { n: "BrtBeginDRefs" },
		0x01F2: { n: "BrtEndDRefs" },
		0x01F3: { n: "BrtDRef" },
		0x01F4: { n: "BrtBeginScenMan" },
		0x01F5: { n: "BrtEndScenMan" },
		0x01F6: { n: "BrtBeginSct" },
		0x01F7: { n: "BrtEndSct" },
		0x01F8: { n: "BrtSlc" },
		0x01F9: { n: "BrtBeginDXFs" },
		0x01FA: { n: "BrtEndDXFs" },
		0x01FB: { n: "BrtDXF" },
		0x01FC: { n: "BrtBeginTableStyles" },
		0x01FD: { n: "BrtEndTableStyles" },
		0x01FE: { n: "BrtBeginTableStyle" },
		0x01FF: { n: "BrtEndTableStyle" },
		0x0200: { n: "BrtTableStyleElement" },
		0x0201: { n: "BrtTableStyleClient" },
		0x0202: { n: "BrtBeginVolDeps" },
		0x0203: { n: "BrtEndVolDeps" },
		0x0204: { n: "BrtBeginVolType" },
		0x0205: { n: "BrtEndVolType" },
		0x0206: { n: "BrtBeginVolMain" },
		0x0207: { n: "BrtEndVolMain" },
		0x0208: { n: "BrtBeginVolTopic" },
		0x0209: { n: "BrtEndVolTopic" },
		0x020A: { n: "BrtVolSubtopic" },
		0x020B: { n: "BrtVolRef" },
		0x020C: { n: "BrtVolNum" },
		0x020D: { n: "BrtVolErr" },
		0x020E: { n: "BrtVolStr" },
		0x020F: { n: "BrtVolBool" },
		0x0210: { n: "BrtBeginCalcChain$" },
		0x0211: { n: "BrtEndCalcChain$" },
		0x0212: { n: "BrtBeginSortState" },
		0x0213: { n: "BrtEndSortState" },
		0x0214: { n: "BrtBeginSortCond" },
		0x0215: { n: "BrtEndSortCond" },
		0x0216: { n: "BrtBookProtection" },
		0x0217: { n: "BrtSheetProtection" },
		0x0218: { n: "BrtRangeProtection" },
		0x0219: { n: "BrtPhoneticInfo" },
		0x021A: { n: "BrtBeginECTxtWiz" },
		0x021B: { n: "BrtEndECTxtWiz" },
		0x021C: { n: "BrtBeginECTWFldInfoLst" },
		0x021D: { n: "BrtEndECTWFldInfoLst" },
		0x021E: { n: "BrtBeginECTwFldInfo" },
		0x0224: { n: "BrtFileSharing" },
		0x0225: { n: "BrtOleSize" },
		0x0226: { n: "BrtDrawing", f: parse_RelID },
		0x0227: { n: "BrtLegacyDrawing" },
		0x0228: { n: "BrtLegacyDrawingHF" },
		0x0229: { n: "BrtWebOpt" },
		0x022A: { n: "BrtBeginWebPubItems" },
		0x022B: { n: "BrtEndWebPubItems" },
		0x022C: { n: "BrtBeginWebPubItem" },
		0x022D: { n: "BrtEndWebPubItem" },
		0x022E: { n: "BrtBeginSXCondFmt" },
		0x022F: { n: "BrtEndSXCondFmt" },
		0x0230: { n: "BrtBeginSXCondFmts" },
		0x0231: { n: "BrtEndSXCondFmts" },
		0x0232: { n: "BrtBkHim" },
		0x0234: { n: "BrtColor" },
		0x0235: { n: "BrtBeginIndexedColors" },
		0x0236: { n: "BrtEndIndexedColors" },
		0x0239: { n: "BrtBeginMRUColors" },
		0x023A: { n: "BrtEndMRUColors" },
		0x023C: { n: "BrtMRUColor" },
		0x023D: { n: "BrtBeginDVals" },
		0x023E: { n: "BrtEndDVals" },
		0x0241: { n: "BrtSupNameStart" },
		0x0242: { n: "BrtSupNameValueStart" },
		0x0243: { n: "BrtSupNameValueEnd" },
		0x0244: { n: "BrtSupNameNum" },
		0x0245: { n: "BrtSupNameErr" },
		0x0246: { n: "BrtSupNameSt" },
		0x0247: { n: "BrtSupNameNil" },
		0x0248: { n: "BrtSupNameBool" },
		0x0249: { n: "BrtSupNameFmla" },
		0x024A: { n: "BrtSupNameBits" },
		0x024B: { n: "BrtSupNameEnd" },
		0x024C: { n: "BrtEndSupBook" },
		0x024D: { n: "BrtCellSmartTagProperty" },
		0x024E: { n: "BrtBeginCellSmartTag" },
		0x024F: { n: "BrtEndCellSmartTag" },
		0x0250: { n: "BrtBeginCellSmartTags" },
		0x0251: { n: "BrtEndCellSmartTags" },
		0x0252: { n: "BrtBeginSmartTags" },
		0x0253: { n: "BrtEndSmartTags" },
		0x0254: { n: "BrtSmartTagType" },
		0x0255: { n: "BrtBeginSmartTagTypes" },
		0x0256: { n: "BrtEndSmartTagTypes" },
		0x0257: { n: "BrtBeginSXFilters" },
		0x0258: { n: "BrtEndSXFilters" },
		0x0259: { n: "BrtBeginSXFILTER" },
		0x025A: { n: "BrtEndSXFilter" },
		0x025B: { n: "BrtBeginFills" },
		0x025C: { n: "BrtEndFills" },
		0x025D: { n: "BrtBeginCellWatches" },
		0x025E: { n: "BrtEndCellWatches" },
		0x025F: { n: "BrtCellWatch" },
		0x0260: { n: "BrtBeginCRErrs" },
		0x0261: { n: "BrtEndCRErrs" },
		0x0262: { n: "BrtCrashRecErr" },
		0x0263: { n: "BrtBeginFonts" },
		0x0264: { n: "BrtEndFonts" },
		0x0265: { n: "BrtBeginBorders" },
		0x0266: { n: "BrtEndBorders" },
		0x0267: { n: "BrtBeginFmts" },
		0x0268: { n: "BrtEndFmts" },
		0x0269: { n: "BrtBeginCellXFs" },
		0x026A: { n: "BrtEndCellXFs" },
		0x026B: { n: "BrtBeginStyles" },
		0x026C: { n: "BrtEndStyles" },
		0x0271: { n: "BrtBigName" },
		0x0272: { n: "BrtBeginCellStyleXFs" },
		0x0273: { n: "BrtEndCellStyleXFs" },
		0x0274: { n: "BrtBeginComments" },
		0x0275: { n: "BrtEndComments" },
		0x0276: { n: "BrtBeginCommentAuthors" },
		0x0277: { n: "BrtEndCommentAuthors" },
		0x0278: { n: "BrtCommentAuthor", f: parse_BrtCommentAuthor },
		0x0279: { n: "BrtBeginCommentList" },
		0x027A: { n: "BrtEndCommentList" },
		0x027B: { n: "BrtBeginComment", f: parse_BrtBeginComment },
		0x027C: { n: "BrtEndComment" },
		0x027D: { n: "BrtCommentText", f: parse_BrtCommentText },
		0x027E: { n: "BrtBeginOleObjects" },
		0x027F: { n: "BrtOleObject" },
		0x0280: { n: "BrtEndOleObjects" },
		0x0281: { n: "BrtBeginSxrules" },
		0x0282: { n: "BrtEndSxRules" },
		0x0283: { n: "BrtBeginActiveXControls" },
		0x0284: { n: "BrtActiveX" },
		0x0285: { n: "BrtEndActiveXControls" },
		0x0286: { n: "BrtBeginPCDSDTCEMembersSortBy" },
		0x0288: { n: "BrtBeginCellIgnoreECs" },
		0x0289: { n: "BrtCellIgnoreEC" },
		0x028A: { n: "BrtEndCellIgnoreECs" },
		0x028B: { n: "BrtCsProp", f: parse_BrtCsProp },
		0x028C: { n: "BrtCsPageSetup" },
		0x028D: { n: "BrtBeginUserCsViews" },
		0x028E: { n: "BrtEndUserCsViews" },
		0x028F: { n: "BrtBeginUserCsView" },
		0x0290: { n: "BrtEndUserCsView" },
		0x0291: { n: "BrtBeginPcdSFCIEntries" },
		0x0292: { n: "BrtEndPCDSFCIEntries" },
		0x0293: { n: "BrtPCDSFCIEntry" },
		0x0294: { n: "BrtBeginListParts" },
		0x0295: { n: "BrtListPart" },
		0x0296: { n: "BrtEndListParts" },
		0x0297: { n: "BrtSheetCalcProp" },
		0x0298: { n: "BrtBeginFnGroup" },
		0x0299: { n: "BrtFnGroup" },
		0x029A: { n: "BrtEndFnGroup" },
		0x029B: { n: "BrtSupAddin" },
		0x029C: { n: "BrtSXTDMPOrder" },
		0x029D: { n: "BrtCsProtection" },
		0x029F: { n: "BrtBeginWsSortMap" },
		0x02A0: { n: "BrtEndWsSortMap" },
		0x02A1: { n: "BrtBeginRRSort" },
		0x02A2: { n: "BrtEndRRSort" },
		0x02A3: { n: "BrtRRSortItem" },
		0x02A4: { n: "BrtFileSharingIso" },
		0x02A5: { n: "BrtBookProtectionIso" },
		0x02A6: { n: "BrtSheetProtectionIso" },
		0x02A7: { n: "BrtCsProtectionIso" },
		0x02A8: { n: "BrtRangeProtectionIso" },
		0x02A9: { n: "BrtDValList" },
		0x0400: { n: "BrtRwDescent" },
		0x0401: { n: "BrtKnownFonts" },
		0x0402: { n: "BrtBeginSXTupleSet" },
		0x0403: { n: "BrtEndSXTupleSet" },
		0x0404: { n: "BrtBeginSXTupleSetHeader" },
		0x0405: { n: "BrtEndSXTupleSetHeader" },
		0x0406: { n: "BrtSXTupleSetHeaderItem" },
		0x0407: { n: "BrtBeginSXTupleSetData" },
		0x0408: { n: "BrtEndSXTupleSetData" },
		0x0409: { n: "BrtBeginSXTupleSetRow" },
		0x040A: { n: "BrtEndSXTupleSetRow" },
		0x040B: { n: "BrtSXTupleSetRowItem" },
		0x040C: { n: "BrtNameExt" },
		0x040D: { n: "BrtPCDH14" },
		0x040E: { n: "BrtBeginPCDCalcMem14" },
		0x040F: { n: "BrtEndPCDCalcMem14" },
		0x0410: { n: "BrtSXTH14" },
		0x0411: { n: "BrtBeginSparklineGroup" },
		0x0412: { n: "BrtEndSparklineGroup" },
		0x0413: { n: "BrtSparkline" },
		0x0414: { n: "BrtSXDI14" },
		0x0415: { n: "BrtWsFmtInfoEx14" },
		0x0416: { n: "BrtBeginConditionalFormatting14" },
		0x0417: { n: "BrtEndConditionalFormatting14" },
		0x0418: { n: "BrtBeginCFRule14" },
		0x0419: { n: "BrtEndCFRule14" },
		0x041A: { n: "BrtCFVO14" },
		0x041B: { n: "BrtBeginDatabar14" },
		0x041C: { n: "BrtBeginIconSet14" },
		0x041D: { n: "BrtDVal14", f: parse_BrtDVal14 },
		0x041E: { n: "BrtBeginDVals14" },
		0x041F: { n: "BrtColor14" },
		0x0420: { n: "BrtBeginSparklines" },
		0x0421: { n: "BrtEndSparklines" },
		0x0422: { n: "BrtBeginSparklineGroups" },
		0x0423: { n: "BrtEndSparklineGroups" },
		0x0425: { n: "BrtSXVD14" },
		0x0426: { n: "BrtBeginSXView14" },
		0x0427: { n: "BrtEndSXView14" },
		0x0428: { n: "BrtBeginSXView16" },
		0x0429: { n: "BrtEndSXView16" },
		0x042A: { n: "BrtBeginPCD14" },
		0x042B: { n: "BrtEndPCD14" },
		0x042C: { n: "BrtBeginExtConn14" },
		0x042D: { n: "BrtEndExtConn14" },
		0x042E: { n: "BrtBeginSlicerCacheIDs" },
		0x042F: { n: "BrtEndSlicerCacheIDs" },
		0x0430: { n: "BrtBeginSlicerCacheID" },
		0x0431: { n: "BrtEndSlicerCacheID" },
		0x0433: { n: "BrtBeginSlicerCache" },
		0x0434: { n: "BrtEndSlicerCache" },
		0x0435: { n: "BrtBeginSlicerCacheDef" },
		0x0436: { n: "BrtEndSlicerCacheDef" },
		0x0437: { n: "BrtBeginSlicersEx" },
		0x0438: { n: "BrtEndSlicersEx" },
		0x0439: { n: "BrtBeginSlicerEx" },
		0x043A: { n: "BrtEndSlicerEx" },
		0x043B: { n: "BrtBeginSlicer" },
		0x043C: { n: "BrtEndSlicer" },
		0x043D: { n: "BrtSlicerCachePivotTables" },
		0x043E: { n: "BrtBeginSlicerCacheOlapImpl" },
		0x043F: { n: "BrtEndSlicerCacheOlapImpl" },
		0x0440: { n: "BrtBeginSlicerCacheLevelsData" },
		0x0441: { n: "BrtEndSlicerCacheLevelsData" },
		0x0442: { n: "BrtBeginSlicerCacheLevelData" },
		0x0443: { n: "BrtEndSlicerCacheLevelData" },
		0x0444: { n: "BrtBeginSlicerCacheSiRanges" },
		0x0445: { n: "BrtEndSlicerCacheSiRanges" },
		0x0446: { n: "BrtBeginSlicerCacheSiRange" },
		0x0447: { n: "BrtEndSlicerCacheSiRange" },
		0x0448: { n: "BrtSlicerCacheOlapItem" },
		0x0449: { n: "BrtBeginSlicerCacheSelections" },
		0x044A: { n: "BrtSlicerCacheSelection" },
		0x044B: { n: "BrtEndSlicerCacheSelections" },
		0x044C: { n: "BrtBeginSlicerCacheNative" },
		0x044D: { n: "BrtEndSlicerCacheNative" },
		0x044E: { n: "BrtSlicerCacheNativeItem" },
		0x044F: { n: "BrtRangeProtection14" },
		0x0450: { n: "BrtRangeProtectionIso14" },
		0x0451: { n: "BrtCellIgnoreEC14" },
		0x0457: { n: "BrtList14" },
		0x0458: { n: "BrtCFIcon" },
		0x0459: { n: "BrtBeginSlicerCachesPivotCacheIDs" },
		0x045A: { n: "BrtEndSlicerCachesPivotCacheIDs" },
		0x045B: { n: "BrtBeginSlicers" },
		0x045C: { n: "BrtEndSlicers" },
		0x045D: { n: "BrtWbProp14" },
		0x045E: { n: "BrtBeginSXEdit" },
		0x045F: { n: "BrtEndSXEdit" },
		0x0460: { n: "BrtBeginSXEdits" },
		0x0461: { n: "BrtEndSXEdits" },
		0x0462: { n: "BrtBeginSXChange" },
		0x0463: { n: "BrtEndSXChange" },
		0x0464: { n: "BrtBeginSXChanges" },
		0x0465: { n: "BrtEndSXChanges" },
		0x0466: { n: "BrtSXTupleItems" },
		0x0468: { n: "BrtBeginSlicerStyle" },
		0x0469: { n: "BrtEndSlicerStyle" },
		0x046A: { n: "BrtSlicerStyleElement" },
		0x046B: { n: "BrtBeginStyleSheetExt14" },
		0x046C: { n: "BrtEndStyleSheetExt14" },
		0x046D: { n: "BrtBeginSlicerCachesPivotCacheID" },
		0x046E: { n: "BrtEndSlicerCachesPivotCacheID" },
		0x046F: { n: "BrtBeginConditionalFormattings" },
		0x0470: { n: "BrtEndConditionalFormattings" },
		0x0471: { n: "BrtBeginPCDCalcMemExt" },
		0x0472: { n: "BrtEndPCDCalcMemExt" },
		0x0473: { n: "BrtBeginPCDCalcMemsExt" },
		0x0474: { n: "BrtEndPCDCalcMemsExt" },
		0x0475: { n: "BrtPCDField14" },
		0x0476: { n: "BrtBeginSlicerStyles" },
		0x0477: { n: "BrtEndSlicerStyles" },
		0x0478: { n: "BrtBeginSlicerStyleElements" },
		0x0479: { n: "BrtEndSlicerStyleElements" },
		0x047A: { n: "BrtCFRuleExt" },
		0x047B: { n: "BrtBeginSXCondFmt14" },
		0x047C: { n: "BrtEndSXCondFmt14" },
		0x047D: { n: "BrtBeginSXCondFmts14" },
		0x047E: { n: "BrtEndSXCondFmts14" },
		0x0480: { n: "BrtBeginSortCond14" },
		0x0481: { n: "BrtEndSortCond14" },
		0x0482: { n: "BrtEndDVals14" },
		0x0483: { n: "BrtEndIconSet14" },
		0x0484: { n: "BrtEndDatabar14" },
		0x0485: { n: "BrtBeginColorScale14" },
		0x0486: { n: "BrtEndColorScale14" },
		0x0487: { n: "BrtBeginSxrules14" },
		0x0488: { n: "BrtEndSxrules14" },
		0x0489: { n: "BrtBeginPRule14" },
		0x048A: { n: "BrtEndPRule14" },
		0x048B: { n: "BrtBeginPRFilters14" },
		0x048C: { n: "BrtEndPRFilters14" },
		0x048D: { n: "BrtBeginPRFilter14" },
		0x048E: { n: "BrtEndPRFilter14" },
		0x048F: { n: "BrtBeginPRFItem14" },
		0x0490: { n: "BrtEndPRFItem14" },
		0x0491: { n: "BrtBeginCellIgnoreECs14" },
		0x0492: { n: "BrtEndCellIgnoreECs14" },
		0x0493: { n: "BrtDxf14" },
		0x0494: { n: "BrtBeginDxF14s" },
		0x0495: { n: "BrtEndDxf14s" },
		0x0499: { n: "BrtFilter14" },
		0x049A: { n: "BrtBeginCustomFilters14" },
		0x049C: { n: "BrtCustomFilter14" },
		0x049D: { n: "BrtIconFilter14" },
		0x049E: { n: "BrtPivotCacheConnectionName" },
		0x0800: { n: "BrtBeginDecoupledPivotCacheIDs" },
		0x0801: { n: "BrtEndDecoupledPivotCacheIDs" },
		0x0802: { n: "BrtDecoupledPivotCacheID" },
		0x0803: { n: "BrtBeginPivotTableRefs" },
		0x0804: { n: "BrtEndPivotTableRefs" },
		0x0805: { n: "BrtPivotTableRef" },
		0x0806: { n: "BrtSlicerCacheBookPivotTables" },
		0x0807: { n: "BrtBeginSxvcells" },
		0x0808: { n: "BrtEndSxvcells" },
		0x0809: { n: "BrtBeginSxRow" },
		0x080A: { n: "BrtEndSxRow" },
		0x080C: { n: "BrtPcdCalcMem15" },
		0x0813: { n: "BrtQsi15" },
		0x0814: { n: "BrtBeginWebExtensions" },
		0x0815: { n: "BrtEndWebExtensions" },
		0x0816: { n: "BrtWebExtension" },
		0x0817: { n: "BrtAbsPath15" },
		0x0818: { n: "BrtBeginPivotTableUISettings" },
		0x0819: { n: "BrtEndPivotTableUISettings" },
		0x081B: { n: "BrtTableSlicerCacheIDs" },
		0x081C: { n: "BrtTableSlicerCacheID" },
		0x081D: { n: "BrtBeginTableSlicerCache" },
		0x081E: { n: "BrtEndTableSlicerCache" },
		0x081F: { n: "BrtSxFilter15" },
		0x0820: { n: "BrtBeginTimelineCachePivotCacheIDs" },
		0x0821: { n: "BrtEndTimelineCachePivotCacheIDs" },
		0x0822: { n: "BrtTimelineCachePivotCacheID" },
		0x0823: { n: "BrtBeginTimelineCacheIDs" },
		0x0824: { n: "BrtEndTimelineCacheIDs" },
		0x0825: { n: "BrtBeginTimelineCacheID" },
		0x0826: { n: "BrtEndTimelineCacheID" },
		0x0827: { n: "BrtBeginTimelinesEx" },
		0x0828: { n: "BrtEndTimelinesEx" },
		0x0829: { n: "BrtBeginTimelineEx" },
		0x082A: { n: "BrtEndTimelineEx" },
		0x082B: { n: "BrtWorkBookPr15" },
		0x082C: { n: "BrtPCDH15" },
		0x082D: { n: "BrtBeginTimelineStyle" },
		0x082E: { n: "BrtEndTimelineStyle" },
		0x082F: { n: "BrtTimelineStyleElement" },
		0x0830: { n: "BrtBeginTimelineStylesheetExt15" },
		0x0831: { n: "BrtEndTimelineStylesheetExt15" },
		0x0832: { n: "BrtBeginTimelineStyles" },
		0x0833: { n: "BrtEndTimelineStyles" },
		0x0834: { n: "BrtBeginTimelineStyleElements" },
		0x0835: { n: "BrtEndTimelineStyleElements" },
		0x0836: { n: "BrtDxf15" },
		0x0837: { n: "BrtBeginDxfs15" },
		0x0838: { n: "brtEndDxfs15" },
		0x0839: { n: "BrtSlicerCacheHideItemsWithNoData" },
		0x083A: { n: "BrtBeginItemUniqueNames" },
		0x083B: { n: "BrtEndItemUniqueNames" },
		0x083C: { n: "BrtItemUniqueName" },
		0x083D: { n: "BrtBeginExtConn15" },
		0x083E: { n: "BrtEndExtConn15" },
		0x083F: { n: "BrtBeginOledbPr15" },
		0x0840: { n: "BrtEndOledbPr15" },
		0x0841: { n: "BrtBeginDataFeedPr15" },
		0x0842: { n: "BrtEndDataFeedPr15" },
		0x0843: { n: "BrtTextPr15" },
		0x0844: { n: "BrtRangePr15" },
		0x0845: { n: "BrtDbCommand15" },
		0x0846: { n: "BrtBeginDbTables15" },
		0x0847: { n: "BrtEndDbTables15" },
		0x0848: { n: "BrtDbTable15" },
		0x0849: { n: "BrtBeginDataModel" },
		0x084A: { n: "BrtEndDataModel" },
		0x084B: { n: "BrtBeginModelTables" },
		0x084C: { n: "BrtEndModelTables" },
		0x084D: { n: "BrtModelTable" },
		0x084E: { n: "BrtBeginModelRelationships" },
		0x084F: { n: "BrtEndModelRelationships" },
		0x0850: { n: "BrtModelRelationship" },
		0x0851: { n: "BrtBeginECTxtWiz15" },
		0x0852: { n: "BrtEndECTxtWiz15" },
		0x0853: { n: "BrtBeginECTWFldInfoLst15" },
		0x0854: { n: "BrtEndECTWFldInfoLst15" },
		0x0855: { n: "BrtBeginECTWFldInfo15" },
		0x0856: { n: "BrtFieldListActiveItem" },
		0x0857: { n: "BrtPivotCacheIdVersion" },
		0x0858: { n: "BrtSXDI15" },
		0x0859: { n: "BrtBeginModelTimeGroupings" },
		0x085A: { n: "BrtEndModelTimeGroupings" },
		0x085B: { n: "BrtBeginModelTimeGrouping" },
		0x085C: { n: "BrtEndModelTimeGrouping" },
		0x085D: { n: "BrtModelTimeGroupingCalcCol" },
		0x0C00: { n: "BrtUid" },
		0x0C01: { n: "BrtRevisionPtr" },
		0x13e7: { n: "BrtBeginCalcFeatures" },
		0x13e8: { n: "BrtEndCalcFeatures" },
		0x13e9: { n: "BrtCalcFeature" },
		0xFFFF: { n: "" }
	};

	var XLSBRE = evert_key(XLSBRecordEnum, 'n');

	/* [MS-XLS] 2.3 Record Enumeration */
	var XLSRecordEnum = {
		0x0003: { n: "BIFF2NUM", f: parse_BIFF2NUM },
		0x0004: { n: "BIFF2STR", f: parse_BIFF2STR },
		0x0006: { n: "Formula", f: parse_Formula },
		0x0009: { n: 'BOF', f: parse_BOF },
		0x000a: { n: 'EOF', f: parsenoop2 },
		0x000c: { n: "CalcCount", f: parseuint16 },
		0x000d: { n: "CalcMode", f: parseuint16 },
		0x000e: { n: "CalcPrecision", f: parsebool },
		0x000f: { n: "CalcRefMode", f: parsebool },
		0x0010: { n: "CalcDelta", f: parse_Xnum },
		0x0011: { n: "CalcIter", f: parsebool },
		0x0012: { n: "Protect", f: parsebool },
		0x0013: { n: "Password", f: parseuint16 },
		0x0014: { n: "Header", f: parse_XLHeaderFooter },
		0x0015: { n: "Footer", f: parse_XLHeaderFooter },
		0x0017: { n: "ExternSheet", f: parse_ExternSheet },
		0x0018: { n: "Lbl", f: parse_Lbl },
		0x0019: { n: "WinProtect", f: parsebool },
		0x001a: { n: "VerticalPageBreaks" },
		0x001b: { n: "HorizontalPageBreaks" },
		0x001c: { n: "Note", f: parse_Note },
		0x001d: { n: "Selection" },
		0x0022: { n: "Date1904", f: parsebool },
		0x0023: { n: "ExternName", f: parse_ExternName },
		0x0024: { n: "COLWIDTH" },
		0x0026: { n: "LeftMargin", f: parse_Xnum },
		0x0027: { n: "RightMargin", f: parse_Xnum },
		0x0028: { n: "TopMargin", f: parse_Xnum },
		0x0029: { n: "BottomMargin", f: parse_Xnum },
		0x002a: { n: "PrintRowCol", f: parsebool },
		0x002b: { n: "PrintGrid", f: parsebool },
		0x002f: { n: "FilePass", f: parse_FilePass },
		0x0031: { n: "Font", f: parse_Font },
		0x0033: { n: "PrintSize", f: parseuint16 },
		0x003c: { n: "Continue" },
		0x003d: { n: "Window1", f: parse_Window1 },
		0x0040: { n: "Backup", f: parsebool },
		0x0041: { n: "Pane", f: parse_Pane },
		0x0042: { n: 'CodePage', f: parseuint16 },
		0x004d: { n: "Pls" },
		0x0050: { n: "DCon" },
		0x0051: { n: "DConRef" },
		0x0052: { n: "DConName" },
		0x0055: { n: "DefColWidth", f: parseuint16 },
		0x0059: { n: "XCT" },
		0x005a: { n: "CRN" },
		0x005b: { n: "FileSharing" },
		0x005c: { n: 'WriteAccess', f: parse_WriteAccess },
		0x005d: { n: "Obj", f: parse_Obj },
		0x005e: { n: "Uncalced" },
		0x005f: { n: "CalcSaveRecalc", f: parsebool },
		0x0060: { n: "Template" },
		0x0061: { n: "Intl" },
		0x0063: { n: "ObjProtect", f: parsebool },
		0x007d: { n: "ColInfo", f: parse_ColInfo },
		0x0080: { n: "Guts", f: parse_Guts },
		0x0081: { n: "WsBool", f: parse_WsBool },
		0x0082: { n: "GridSet", f: parseuint16 },
		0x0083: { n: "HCenter", f: parsebool },
		0x0084: { n: "VCenter", f: parsebool },
		0x0085: { n: 'BoundSheet8', f: parse_BoundSheet8 },
		0x0086: { n: "WriteProtect" },
		0x008c: { n: "Country", f: parse_Country },
		0x008d: { n: "HideObj", f: parseuint16 },
		0x0090: { n: "Sort" },
		0x0092: { n: "Palette", f: parse_Palette },
		0x0097: { n: "Sync" },
		0x0098: { n: "LPr" },
		0x0099: { n: "DxGCol" },
		0x009a: { n: "FnGroupName" },
		0x009b: { n: "FilterMode" },
		0x009c: { n: "BuiltInFnGroupCount", f: parseuint16 },
		0x009d: { n: "AutoFilterInfo" },
		0x009e: { n: "AutoFilter" },
		0x00a0: { n: "Scl", f: parse_Scl },
		0x00a1: { n: "Setup", f: parse_Setup },
		0x00ae: { n: "ScenMan" },
		0x00af: { n: "SCENARIO" },
		0x00b0: { n: "SxView" },
		0x00b1: { n: "Sxvd" },
		0x00b2: { n: "SXVI" },
		0x00b4: { n: "SxIvd" },
		0x00b5: { n: "SXLI" },
		0x00b6: { n: "SXPI" },
		0x00b8: { n: "DocRoute" },
		0x00b9: { n: "RecipName" },
		0x00bd: { n: "MulRk", f: parse_MulRk },
		0x00be: { n: "MulBlank", f: parse_MulBlank },
		0x00c1: { n: 'Mms', f: parsenoop2 },
		0x00c5: { n: "SXDI" },
		0x00c6: { n: "SXDB" },
		0x00c7: { n: "SXFDB" },
		0x00c8: { n: "SXDBB" },
		0x00c9: { n: "SXNum" },
		0x00ca: { n: "SxBool", f: parsebool },
		0x00cb: { n: "SxErr" },
		0x00cc: { n: "SXInt" },
		0x00cd: { n: "SXString" },
		0x00ce: { n: "SXDtr" },
		0x00cf: { n: "SxNil" },
		0x00d0: { n: "SXTbl" },
		0x00d1: { n: "SXTBRGIITM" },
		0x00d2: { n: "SxTbpg" },
		0x00d3: { n: "ObProj" },
		0x00d5: { n: "SXStreamID" },
		0x00d7: { n: "DBCell" },
		0x00d8: { n: "SXRng" },
		0x00d9: { n: "SxIsxoper" },
		0x00da: { n: "BookBool", f: parseuint16 },
		0x00dc: { n: "DbOrParamQry" },
		0x00dd: { n: "ScenarioProtect", f: parsebool },
		0x00de: { n: "OleObjectSize" },
		0x00e0: { n: "XF", f: parse_XF },
		0x00e1: { n: 'InterfaceHdr', f: parse_InterfaceHdr },
		0x00e2: { n: 'InterfaceEnd', f: parsenoop2 },
		0x00e3: { n: "SXVS" },
		0x00e5: { n: "MergeCells", f: parse_MergeCells },
		0x00e9: { n: "BkHim" },
		0x00eb: { n: "MsoDrawingGroup" },
		0x00ec: { n: "MsoDrawing" },
		0x00ed: { n: "MsoDrawingSelection" },
		0x00ef: { n: "PhoneticInfo" },
		0x00f0: { n: "SxRule" },
		0x00f1: { n: "SXEx" },
		0x00f2: { n: "SxFilt" },
		0x00f4: { n: "SxDXF" },
		0x00f5: { n: "SxItm" },
		0x00f6: { n: "SxName" },
		0x00f7: { n: "SxSelect" },
		0x00f8: { n: "SXPair" },
		0x00f9: { n: "SxFmla" },
		0x00fb: { n: "SxFormat" },
		0x00fc: { n: "SST", f: parse_SST },
		0x00fd: { n: "LabelSst", f: parse_LabelSst },
		0x00ff: { n: "ExtSST", f: parse_ExtSST },
		0x0100: { n: "SXVDEx" },
		0x0103: { n: "SXFormula" },
		0x0122: { n: "SXDBEx" },
		0x0137: { n: "RRDInsDel" },
		0x0138: { n: "RRDHead" },
		0x013b: { n: "RRDChgCell" },
		0x013d: { n: "RRTabId", f: parseuint16a },
		0x013e: { n: "RRDRenSheet" },
		0x013f: { n: "RRSort" },
		0x0140: { n: "RRDMove" },
		0x014a: { n: "RRFormat" },
		0x014b: { n: "RRAutoFmt" },
		0x014d: { n: "RRInsertSh" },
		0x014e: { n: "RRDMoveBegin" },
		0x014f: { n: "RRDMoveEnd" },
		0x0150: { n: "RRDInsDelBegin" },
		0x0151: { n: "RRDInsDelEnd" },
		0x0152: { n: "RRDConflict" },
		0x0153: { n: "RRDDefName" },
		0x0154: { n: "RRDRstEtxp" },
		0x015f: { n: "LRng" },
		0x0160: { n: "UsesELFs", f: parsebool },
		0x0161: { n: "DSF", f: parsenoop2 },
		0x0191: { n: "CUsr" },
		0x0192: { n: "CbUsr" },
		0x0193: { n: "UsrInfo" },
		0x0194: { n: "UsrExcl" },
		0x0195: { n: "FileLock" },
		0x0196: { n: "RRDInfo" },
		0x0197: { n: "BCUsrs" },
		0x0198: { n: "UsrChk" },
		0x01a9: { n: "UserBView" },
		0x01aa: { n: "UserSViewBegin" },
		0x01ab: { n: "UserSViewEnd" },
		0x01ac: { n: "RRDUserView" },
		0x01ad: { n: "Qsi" },
		0x01ae: { n: "SupBook", f: parse_SupBook },
		0x01af: { n: "Prot4Rev", f: parsebool },
		0x01b0: { n: "CondFmt" },
		0x01b1: { n: "CF" },
		0x01b2: { n: "DVal" },
		0x01b5: { n: "DConBin" },
		0x01b6: { n: "TxO", f: parse_TxO },
		0x01b7: { n: "RefreshAll", f: parsebool },
		0x01b8: { n: "HLink", f: parse_HLink },
		0x01b9: { n: "Lel" },
		0x01ba: { n: "CodeName", f: parse_XLUnicodeString },
		0x01bb: { n: "SXFDBType" },
		0x01bc: { n: "Prot4RevPass", f: parseuint16 },
		0x01bd: { n: "ObNoMacros" },
		0x01be: { n: "Dv" },
		0x01c0: { n: "Excel9File", f: parsenoop2 },
		0x01c1: { n: "RecalcId", f: parse_RecalcId, r: 2 },
		0x01c2: { n: "EntExU2", f: parsenoop2 },
		0x0200: { n: "Dimensions", f: parse_Dimensions },
		0x0201: { n: "Blank", f: parse_Blank },
		0x0203: { n: "Number", f: parse_Number },
		0x0204: { n: "Label", f: parse_Label },
		0x0205: { n: "BoolErr", f: parse_BoolErr },
		0x0206: { n: "Formula", f: parse_Formula },
		0x0207: { n: "String", f: parse_String },
		0x0208: { n: 'Row', f: parse_Row },
		0x020b: { n: "Index" },
		0x0221: { n: "Array", f: parse_Array },
		0x0225: { n: "DefaultRowHeight", f: parse_DefaultRowHeight },
		0x0236: { n: "Table" },
		0x023e: { n: "Window2", f: parse_Window2 },
		0x027e: { n: "RK", f: parse_RK },
		0x0293: { n: "Style" },
		0x0406: { n: "Formula", f: parse_Formula },
		0x0418: { n: "BigName" },
		0x041e: { n: "Format", f: parse_Format },
		0x043c: { n: "ContinueBigName" },
		0x04bc: { n: "ShrFmla", f: parse_ShrFmla },
		0x0800: { n: "HLinkTooltip", f: parse_HLinkTooltip },
		0x0801: { n: "WebPub" },
		0x0802: { n: "QsiSXTag" },
		0x0803: { n: "DBQueryExt" },
		0x0804: { n: "ExtString" },
		0x0805: { n: "TxtQry" },
		0x0806: { n: "Qsir" },
		0x0807: { n: "Qsif" },
		0x0808: { n: "RRDTQSIF" },
		0x0809: { n: 'BOF', f: parse_BOF },
		0x080a: { n: "OleDbConn" },
		0x080b: { n: "WOpt" },
		0x080c: { n: "SXViewEx" },
		0x080d: { n: "SXTH" },
		0x080e: { n: "SXPIEx" },
		0x080f: { n: "SXVDTEx" },
		0x0810: { n: "SXViewEx9" },
		0x0812: { n: "ContinueFrt" },
		0x0813: { n: "RealTimeData" },
		0x0850: { n: "ChartFrtInfo" },
		0x0851: { n: "FrtWrapper" },
		0x0852: { n: "StartBlock" },
		0x0853: { n: "EndBlock" },
		0x0854: { n: "StartObject" },
		0x0855: { n: "EndObject" },
		0x0856: { n: "CatLab" },
		0x0857: { n: "YMult" },
		0x0858: { n: "SXViewLink" },
		0x0859: { n: "PivotChartBits" },
		0x085a: { n: "FrtFontList" },
		0x0862: { n: "SheetExt" },
		0x0863: { n: "BookExt", r: 12 },
		0x0864: { n: "SXAddl" },
		0x0865: { n: "CrErr" },
		0x0866: { n: "HFPicture" },
		0x0867: { n: 'FeatHdr', f: parsenoop2 },
		0x0868: { n: "Feat" },
		0x086a: { n: "DataLabExt" },
		0x086b: { n: "DataLabExtContents" },
		0x086c: { n: "CellWatch" },
		0x0871: { n: "FeatHdr11" },
		0x0872: { n: "Feature11" },
		0x0874: { n: "DropDownObjIds" },
		0x0875: { n: "ContinueFrt11" },
		0x0876: { n: "DConn" },
		0x0877: { n: "List12" },
		0x0878: { n: "Feature12" },
		0x0879: { n: "CondFmt12" },
		0x087a: { n: "CF12" },
		0x087b: { n: "CFEx" },
		0x087c: { n: "XFCRC", f: parse_XFCRC, r: 12 },
		0x087d: { n: "XFExt", f: parse_XFExt, r: 12 },
		0x087e: { n: "AutoFilter12" },
		0x087f: { n: "ContinueFrt12" },
		0x0884: { n: "MDTInfo" },
		0x0885: { n: "MDXStr" },
		0x0886: { n: "MDXTuple" },
		0x0887: { n: "MDXSet" },
		0x0888: { n: "MDXProp" },
		0x0889: { n: "MDXKPI" },
		0x088a: { n: "MDB" },
		0x088b: { n: "PLV" },
		0x088c: { n: "Compat12", f: parsebool, r: 12 },
		0x088d: { n: "DXF" },
		0x088e: { n: "TableStyles", r: 12 },
		0x088f: { n: "TableStyle" },
		0x0890: { n: "TableStyleElement" },
		0x0892: { n: "StyleExt" },
		0x0893: { n: "NamePublish" },
		0x0894: { n: "NameCmt", f: parse_NameCmt, r: 12 },
		0x0895: { n: "SortData" },
		0x0896: { n: "Theme", f: parse_Theme, r: 12 },
		0x0897: { n: "GUIDTypeLib" },
		0x0898: { n: "FnGrp12" },
		0x0899: { n: "NameFnGrp12" },
		0x089a: { n: "MTRSettings", f: parse_MTRSettings, r: 12 },
		0x089b: { n: "CompressPictures", f: parsenoop2 },
		0x089c: { n: "HeaderFooter" },
		0x089d: { n: "CrtLayout12" },
		0x089e: { n: "CrtMlFrt" },
		0x089f: { n: "CrtMlFrtContinue" },
		0x08a3: { n: "ForceFullCalculation", f: parse_ForceFullCalculation },
		0x08a4: { n: "ShapePropsStream" },
		0x08a5: { n: "TextPropsStream" },
		0x08a6: { n: "RichTextStream" },
		0x08a7: { n: "CrtLayout12A" },
		0x1001: { n: "Units" },
		0x1002: { n: "Chart" },
		0x1003: { n: "Series" },
		0x1006: { n: "DataFormat" },
		0x1007: { n: "LineFormat" },
		0x1009: { n: "MarkerFormat" },
		0x100a: { n: "AreaFormat" },
		0x100b: { n: "PieFormat" },
		0x100c: { n: "AttachedLabel" },
		0x100d: { n: "SeriesText" },
		0x1014: { n: "ChartFormat" },
		0x1015: { n: "Legend" },
		0x1016: { n: "SeriesList" },
		0x1017: { n: "Bar" },
		0x1018: { n: "Line" },
		0x1019: { n: "Pie" },
		0x101a: { n: "Area" },
		0x101b: { n: "Scatter" },
		0x101c: { n: "CrtLine" },
		0x101d: { n: "Axis" },
		0x101e: { n: "Tick" },
		0x101f: { n: "ValueRange" },
		0x1020: { n: "CatSerRange" },
		0x1021: { n: "AxisLine" },
		0x1022: { n: "CrtLink" },
		0x1024: { n: "DefaultText" },
		0x1025: { n: "Text" },
		0x1026: { n: "FontX", f: parseuint16 },
		0x1027: { n: "ObjectLink" },
		0x1032: { n: "Frame" },
		0x1033: { n: "Begin" },
		0x1034: { n: "End" },
		0x1035: { n: "PlotArea" },
		0x103a: { n: "Chart3d" },
		0x103c: { n: "PicF" },
		0x103d: { n: "DropBar" },
		0x103e: { n: "Radar" },
		0x103f: { n: "Surf" },
		0x1040: { n: "RadarArea" },
		0x1041: { n: "AxisParent" },
		0x1043: { n: "LegendException" },
		0x1044: { n: "ShtProps", f: parse_ShtProps },
		0x1045: { n: "SerToCrt" },
		0x1046: { n: "AxesUsed" },
		0x1048: { n: "SBaseRef" },
		0x104a: { n: "SerParent" },
		0x104b: { n: "SerAuxTrend" },
		0x104e: { n: "IFmtRecord" },
		0x104f: { n: "Pos" },
		0x1050: { n: "AlRuns" },
		0x1051: { n: "BRAI" },
		0x105b: { n: "SerAuxErrBar" },
		0x105c: { n: "ClrtClient", f: parse_ClrtClient },
		0x105d: { n: "SerFmt" },
		0x105f: { n: "Chart3DBarShape" },
		0x1060: { n: "Fbi" },
		0x1061: { n: "BopPop" },
		0x1062: { n: "AxcExt" },
		0x1063: { n: "Dat" },
		0x1064: { n: "PlotGrowth" },
		0x1065: { n: "SIIndex" },
		0x1066: { n: "GelFrame" },
		0x1067: { n: "BopPopCustom" },
		0x1068: { n: "Fbi2" },

		0x0000: { n: "Dimensions", f: parse_Dimensions },
		0x0002: { n: "BIFF2INT", f: parse_BIFF2INT },
		0x0005: { n: "BoolErr", f: parse_BoolErr },
		0x0007: { n: "String", f: parse_BIFF2STRING },
		0x0008: { n: "BIFF2ROW" },
		0x000b: { n: "Index" },
		0x0016: { n: "ExternCount", f: parseuint16 },
		0x001e: { n: "BIFF2FORMAT", f: parse_BIFF2Format },
		0x001f: { n: "BIFF2FMTCNT" }, /* 16-bit cnt of BIFF2FORMAT records */
		0x0020: { n: "BIFF2COLINFO" },
		0x0021: { n: "Array", f: parse_Array },
		0x0025: { n: "DefaultRowHeight", f: parse_DefaultRowHeight },
		0x0032: { n: "BIFF2FONTXTRA", f: parse_BIFF2FONTXTRA },
		0x0034: { n: "DDEObjName" },
		0x003e: { n: "BIFF2WINDOW2" },
		0x0043: { n: "BIFF2XF" },
		0x0045: { n: "BIFF2FONTCLR" },
		0x0056: { n: "BIFF4FMTCNT" }, /* 16-bit cnt, similar to BIFF2 */
		0x007e: { n: "RK" }, /* Not necessarily same as 0x027e */
		0x007f: { n: "ImData", f: parse_ImData },
		0x0087: { n: "Addin" },
		0x0088: { n: "Edg" },
		0x0089: { n: "Pub" },
		0x0091: { n: "Sub" },
		0x0094: { n: "LHRecord" },
		0x0095: { n: "LHNGraph" },
		0x0096: { n: "Sound" },
		0x00a9: { n: "CoordList" },
		0x00ab: { n: "GCW" },
		0x00bc: { n: "ShrFmla" }, /* Not necessarily same as 0x04bc */
		0x00bf: { n: "ToolbarHdr" },
		0x00c0: { n: "ToolbarEnd" },
		0x00c2: { n: "AddMenu" },
		0x00c3: { n: "DelMenu" },
		0x00d6: { n: "RString", f: parse_RString },
		0x00df: { n: "UDDesc" },
		0x00ea: { n: "TabIdConf" },
		0x0162: { n: "XL5Modify" },
		0x01a5: { n: "FileSharing2" },
		0x0209: { n: 'BOF', f: parse_BOF },
		0x0218: { n: "Lbl", f: parse_Lbl },
		0x0223: { n: "ExternName", f: parse_ExternName },
		0x0231: { n: "Font" },
		0x0243: { n: "BIFF3XF" },
		0x0409: { n: 'BOF', f: parse_BOF },
		0x0443: { n: "BIFF4XF" },
		0x086d: { n: "FeatInfo" },
		0x0873: { n: "FeatInfo11" },
		0x0881: { n: "SXAddl12" },
		0x08c0: { n: "AutoWebPub" },
		0x08c1: { n: "ListObj" },
		0x08c2: { n: "ListField" },
		0x08c3: { n: "ListDV" },
		0x08c4: { n: "ListCondFmt" },
		0x08c5: { n: "ListCF" },
		0x08c6: { n: "FMQry" },
		0x08c7: { n: "FMSQry" },
		0x08c8: { n: "PLV" },
		0x08c9: { n: "LnExt" },
		0x08ca: { n: "MkrExt" },
		0x08cb: { n: "CrtCoopt" },
		0x08d6: { n: "FRTArchId$", r: 12 },

		0x7262: {}
	};

	var XLSRE = evert_key(XLSRecordEnum, 'n');
	function write_biff_rec(ba, type, payload, length) {
		var t = +type || +XLSRE[type];
		if (isNaN(t)) return;
		var len = length || (payload || []).length || 0;
		var o = ba.next(4);
		o.write_shift(2, t);
		o.write_shift(2, len);
		if (len > 0 && is_buf(payload)) ba.push(payload);
	}

	function write_BIFF2Cell(out, r, c) {
		if (!out) out = new_buf(7);
		out.write_shift(2, r);
		out.write_shift(2, c);
		out.write_shift(2, 0);
		out.write_shift(1, 0);
		return out;
	}

	function write_BIFF2BERR(r, c, val, t) {
		var out = new_buf(9);
		write_BIFF2Cell(out, r, c);
		if (t == 'e') { out.write_shift(1, val); out.write_shift(1, 1); }
		else { out.write_shift(1, val ? 1 : 0); out.write_shift(1, 0); }
		return out;
	}

	/* TODO: codepage, large strings */
	function write_BIFF2LABEL(r, c, val) {
		var out = new_buf(8 + 2 * val.length);
		write_BIFF2Cell(out, r, c);
		out.write_shift(1, val.length);
		out.write_shift(val.length, val, 'sbcs');
		return out.l < out.length ? out.slice(0, out.l) : out;
	}

	function write_ws_biff2_cell(ba, cell, R, C) {
		if (cell.v != null) switch (cell.t) {
			case 'd': case 'n':
				var v = cell.t == 'd' ? datenum(parseDate(cell.v)) : cell.v;
				if ((v == (v | 0)) && (v >= 0) && (v < 65536))
					write_biff_rec(ba, 0x0002, write_BIFF2INT(R, C, v));
				else
					write_biff_rec(ba, 0x0003, write_BIFF2NUM(R, C, v));
				return;
			case 'b': case 'e': write_biff_rec(ba, 0x0005, write_BIFF2BERR(R, C, cell.v, cell.t)); return;
			/* TODO: codepage, sst */
			case 's': case 'str':
				write_biff_rec(ba, 0x0004, write_BIFF2LABEL(R, C, cell.v));
				return;
		}
		write_biff_rec(ba, 0x0001, write_BIFF2Cell(null, R, C));
	}

	function write_ws_biff2(ba, ws, idx, opts) {
		var dense = Array.isArray(ws);
		var range = safe_decode_range(ws['!ref'] || "A1"), ref, rr = "", cols = [];
		if (range.e.c > 0xFF || range.e.r > 0x3FFF) {
			if (opts.WTF) throw new Error("Range " + (ws['!ref'] || "A1") + " exceeds format limit A1:IV16384");
			range.e.c = Math.min(range.e.c, 0xFF);
			range.e.r = Math.min(range.e.c, 0x3FFF);
			ref = encode_range(range);
		}
		for (var R = range.s.r; R <= range.e.r; ++R) {
			rr = encode_row(R);
			for (var C = range.s.c; C <= range.e.c; ++C) {
				if (R === range.s.r) cols[C] = encode_col(C);
				ref = cols[C] + rr;
				var cell = dense ? (ws[R] || [])[C] : ws[ref];
				if (!cell) continue;
				/* write cell */
				write_ws_biff2_cell(ba, cell, R, C, opts);
			}
		}
	}

	/* Based on test files */
	function write_biff2_buf(wb, opts) {
		var o = opts || {};
		if (DENSE != null && o.dense == null) o.dense = DENSE;
		var ba = buf_array();
		var idx = 0;
		for (var i = 0; i < wb.SheetNames.length; ++i) if (wb.SheetNames[i] == o.sheet) idx = i;
		if (idx == 0 && !!o.sheet && wb.SheetNames[0] != o.sheet) throw new Error("Sheet not found: " + o.sheet);
		write_biff_rec(ba, 0x0009, write_BOF(wb, 0x10, o));
		/* ... */
		write_ws_biff2(ba, wb.Sheets[wb.SheetNames[idx]], idx, o, wb);
		/* ... */
		write_biff_rec(ba, 0x000A);
		return ba.end();
	}

	function write_FONTS_biff8(ba, data, opts) {
		write_biff_rec(ba, "Font", write_Font({
			sz: 12,
			color: { theme: 1 },
			name: "Arial",
			family: 2,
			scheme: "minor"
		}, opts));
	}


	function write_FMTS_biff8(ba, NF, opts) {
		if (!NF) return;
		[[5, 8], [23, 26], [41, 44], [/*63*/50,/*66],[164,*/392]].forEach(function (r) {
			for (var i = r[0]; i <= r[1]; ++i) if (NF[i] != null) write_biff_rec(ba, "Format", write_Format(i, NF[i], opts));
		});
	}

	function write_FEAT(ba, ws) {
		/* [MS-XLS] 2.4.112 */
		var o = new_buf(19);
		o.write_shift(4, 0x867); o.write_shift(4, 0); o.write_shift(4, 0);
		o.write_shift(2, 3); o.write_shift(1, 1); o.write_shift(4, 0);
		write_biff_rec(ba, "FeatHdr", o);
		/* [MS-XLS] 2.4.111 */
		o = new_buf(39);
		o.write_shift(4, 0x868); o.write_shift(4, 0); o.write_shift(4, 0);
		o.write_shift(2, 3); o.write_shift(1, 0); o.write_shift(4, 0);
		o.write_shift(2, 1); o.write_shift(4, 4); o.write_shift(2, 0);
		write_Ref8U(safe_decode_range(ws['!ref'] || "A1"), o);
		o.write_shift(4, 4);
		write_biff_rec(ba, "Feat", o);
	}

	function write_CELLXFS_biff8(ba, opts) {
		for (var i = 0; i < 16; ++i) write_biff_rec(ba, "XF", write_XF({ numFmtId: 0, style: true }, 0, opts));
		opts.cellXfs.forEach(function (c) {
			write_biff_rec(ba, "XF", write_XF(c, 0, opts));
		});
	}

	function write_ws_biff8_hlinks(ba, ws) {
		for (var R = 0; R < ws['!links'].length; ++R) {
			var HL = ws['!links'][R];
			write_biff_rec(ba, "HLink", write_HLink(HL));
			if (HL[1].Tooltip) write_biff_rec(ba, "HLinkTooltip", write_HLinkTooltip(HL));
		}
		delete ws['!links'];
	}

	function write_ws_biff8_cell(ba, cell, R, C, opts) {
		var os = 16 + get_cell_style(opts.cellXfs, cell, opts);
		if (cell.v == null && !cell.bf) {
			write_biff_rec(ba, "Blank", write_XLSCell(R, C, os));
			return;
		}
		if (cell.bf) write_biff_rec(ba, "Formula", write_Formula(cell, R, C, opts, os));
		else switch (cell.t) {
			case 'd': case 'n':
				var v = cell.t == 'd' ? datenum(parseDate(cell.v)) : cell.v;
				/* TODO: emit RK as appropriate */
				write_biff_rec(ba, "Number", write_Number(R, C, v, os, opts));
				break;
			case 'b': case 'e':
				write_biff_rec(ba, 0x0205, write_BoolErr(R, C, cell.v, os, opts, cell.t));
				break;
			/* TODO: codepage, sst */
			case 's': case 'str':
				write_biff_rec(ba, "Label", write_Label(R, C, cell.v, os, opts));
				break;
			default:
				write_biff_rec(ba, "Blank", write_XLSCell(R, C, os));
		}
	}

	/* [MS-XLS] 2.1.7.20.5 */
	function write_ws_biff8(idx, opts, wb) {
		var ba = buf_array();
		var s = wb.SheetNames[idx], ws = wb.Sheets[s] || {};
		var _WB = ((wb || {}).Workbook || {});
		var _sheet = ((_WB.Sheets || [])[idx] || {});
		var dense = Array.isArray(ws);
		var b8 = opts.biff == 8;
		var ref, rr = "", cols = [];
		var range = safe_decode_range(ws['!ref'] || "A1");
		var MAX_ROWS = b8 ? 65536 : 16384;
		if (range.e.c > 0xFF || range.e.r >= MAX_ROWS) {
			if (opts.WTF) throw new Error("Range " + (ws['!ref'] || "A1") + " exceeds format limit A1:IV16384");
			range.e.c = Math.min(range.e.c, 0xFF);
			range.e.r = Math.min(range.e.c, MAX_ROWS - 1);
		}

		write_biff_rec(ba, 0x0809, write_BOF(wb, 0x10, opts));
		/* [Uncalced] Index */
		write_biff_rec(ba, "CalcMode", writeuint16(1));
		write_biff_rec(ba, "CalcCount", writeuint16(100));
		write_biff_rec(ba, "CalcRefMode", writebool(true));
		write_biff_rec(ba, "CalcIter", writebool(false));
		write_biff_rec(ba, "CalcDelta", write_Xnum(0.001));
		write_biff_rec(ba, "CalcSaveRecalc", writebool(true));
		write_biff_rec(ba, "PrintRowCol", writebool(false));
		write_biff_rec(ba, "PrintGrid", writebool(false));
		write_biff_rec(ba, "GridSet", writeuint16(1));
		write_biff_rec(ba, "Guts", write_Guts([0, 0]));
		/* DefaultRowHeight WsBool [Sync] [LPr] [HorizontalPageBreaks] [VerticalPageBreaks] */
		/* Header (string) */
		/* Footer (string) */
		write_biff_rec(ba, "HCenter", writebool(false));
		write_biff_rec(ba, "VCenter", writebool(false));
		/* ... */
		write_biff_rec(ba, 0x200, write_Dimensions(range, opts));
		/* ... */

		if (b8) ws['!links'] = [];
		for (var R = range.s.r; R <= range.e.r; ++R) {
			rr = encode_row(R);
			for (var C = range.s.c; C <= range.e.c; ++C) {
				if (R === range.s.r) cols[C] = encode_col(C);
				ref = cols[C] + rr;
				var cell = dense ? (ws[R] || [])[C] : ws[ref];
				if (!cell) continue;
				/* write cell */
				write_ws_biff8_cell(ba, cell, R, C, opts);
				if (b8 && cell.l) ws['!links'].push([ref, cell.l]);
			}
		}
		var cname = _sheet.CodeName || _sheet.name || s;
		/* ... */
		if (b8 && _WB.Views) write_biff_rec(ba, "Window2", write_Window2(_WB.Views[0]));
		/* ... */
		if (b8 && (ws['!merges'] || []).length) write_biff_rec(ba, "MergeCells", write_MergeCells(ws['!merges']));
		/* [LRng] *QUERYTABLE [PHONETICINFO] CONDFMTS */
		if (b8) write_ws_biff8_hlinks(ba, ws);
		/* [DVAL] */
		write_biff_rec(ba, "CodeName", write_XLUnicodeString(cname, opts));
		/* *WebPub *CellWatch [SheetExt] */
		if (b8) write_FEAT(ba, ws);
		/* *FEAT11 *RECORD12 */
		write_biff_rec(ba, "EOF");
		return ba.end();
	}

	/* [MS-XLS] 2.1.7.20.3 */
	function write_biff8_global(wb, bufs, opts) {
		var A = buf_array();
		var _WB = ((wb || {}).Workbook || {});
		var _sheets = (_WB.Sheets || []);
		var _wb = _WB.WBProps || {};
		var b8 = opts.biff == 8, b5 = opts.biff == 5;
		write_biff_rec(A, 0x0809, write_BOF(wb, 0x05, opts));
		if (opts.bookType == "xla") write_biff_rec(A, "Addin");
		write_biff_rec(A, "InterfaceHdr", b8 ? writeuint16(0x04b0) : null);
		write_biff_rec(A, "Mms", writezeroes(2));
		if (b5) write_biff_rec(A, "ToolbarHdr");
		if (b5) write_biff_rec(A, "ToolbarEnd");
		write_biff_rec(A, "InterfaceEnd");
		write_biff_rec(A, "WriteAccess", write_WriteAccess("SheetJS", opts));
		/* [FileSharing] */
		write_biff_rec(A, "CodePage", writeuint16(b8 ? 0x04b0 : 0x04E4));
		/* *2047 Lel */
		if (b8) write_biff_rec(A, "DSF", writeuint16(0));
		if (b8) write_biff_rec(A, "Excel9File");
		write_biff_rec(A, "RRTabId", write_RRTabId(wb.SheetNames.length));
		if (b8 && wb.vbaraw) write_biff_rec(A, "ObProj");
		/* [ObNoMacros] */
		if (b8 && wb.vbaraw) {
			var cname = _wb.CodeName || "ThisWorkbook";
			write_biff_rec(A, "CodeName", write_XLUnicodeString(cname, opts));
		}
		write_biff_rec(A, "BuiltInFnGroupCount", writeuint16(0x11));
		/* *FnGroupName *FnGrp12 */
		/* *Lbl */
		/* [OleObjectSize] */
		write_biff_rec(A, "WinProtect", writebool(false));
		write_biff_rec(A, "Protect", writebool(false));
		write_biff_rec(A, "Password", writeuint16(0));
		if (b8) write_biff_rec(A, "Prot4Rev", writebool(false));
		if (b8) write_biff_rec(A, "Prot4RevPass", writeuint16(0));
		write_biff_rec(A, "Window1", write_Window1(opts));
		write_biff_rec(A, "Backup", writebool(false));
		write_biff_rec(A, "HideObj", writeuint16(0));
		write_biff_rec(A, "Date1904", writebool(safe1904(wb) == "true"));
		write_biff_rec(A, "CalcPrecision", writebool(true));
		if (b8) write_biff_rec(A, "RefreshAll", writebool(false));
		write_biff_rec(A, "BookBool", writeuint16(0));
		/* ... */
		write_FONTS_biff8(A, wb, opts);
		write_FMTS_biff8(A, wb.SSF, opts);
		write_CELLXFS_biff8(A, opts);
		/* ... */
		if (b8) write_biff_rec(A, "UsesELFs", writebool(false));
		var a = A.end();

		var C = buf_array();
		/* METADATA [MTRSettings] [ForceFullCalculation] */
		if (b8) write_biff_rec(C, "Country", write_Country());
		/* *SUPBOOK *LBL *RTD [RecalcId] *HFPicture *MSODRAWINGGROUP */
		/* BIFF8: [SST *Continue] ExtSST */
		/* *WebPub [WOpt] [CrErr] [BookExt] *FeatHdr *DConn [THEME] [CompressPictures] [Compat12] [GUIDTypeLib] */
		write_biff_rec(C, "EOF");
		var c = C.end();

		var B = buf_array();
		var blen = 0, j = 0;
		for (j = 0; j < wb.SheetNames.length; ++j) blen += (b8 ? 12 : 11) + (b8 ? 2 : 1) * wb.SheetNames[j].length;
		var start = a.length + blen + c.length;
		for (j = 0; j < wb.SheetNames.length; ++j) {
			var _sheet = _sheets[j] || ({});
			write_biff_rec(B, "BoundSheet8", write_BoundSheet8({ pos: start, hs: _sheet.Hidden || 0, dt: 0, name: wb.SheetNames[j] }, opts));
			start += bufs[j].length;
		}
		/* 1*BoundSheet8 */
		var b = B.end();
		if (blen != b.length) throw new Error("BS8 " + blen + " != " + b.length);

		var out = [];
		if (a.length) out.push(a);
		if (b.length) out.push(b);
		if (c.length) out.push(c);
		return __toBuffer([out]);
	}

	/* [MS-XLS] 2.1.7.20 Workbook Stream */
	function write_biff8_buf(wb, opts) {
		var o = opts || {};
		var bufs = [];

		if (wb && !wb.SSF) {
			wb.SSF = SSF.get_table();
		}
		if (wb && wb.SSF) {
			make_ssf(SSF); SSF.load_table(wb.SSF);
			// $FlowIgnore
			o.revssf = evert_num(wb.SSF); o.revssf[wb.SSF[65535]] = 0;
			o.ssf = wb.SSF;
		}

		o.Strings = []; o.Strings.Count = 0; o.Strings.Unique = 0;
		fix_write_opts(o);

		o.cellXfs = [];
		get_cell_style(o.cellXfs, {}, { revssf: { "General": 0 } });

		if (!wb.Props) wb.Props = {};

		for (var i = 0; i < wb.SheetNames.length; ++i) bufs[bufs.length] = write_ws_biff8(i, o, wb);
		bufs.unshift(write_biff8_global(wb, bufs, o));
		return __toBuffer([bufs]);
	}

	function write_biff_buf(wb, opts) {
		var o = opts || {};
		switch (o.biff || 2) {
			case 8: case 5: return write_biff8_buf(wb, opts);
			case 4: case 3: case 2: return write_biff2_buf(wb, opts);
		}
		throw new Error("invalid type " + o.bookType + " for BIFF");
	}
	/* note: browser DOM element cannot see mso- style attrs, must parse */
	var HTML_ = (function () {
		function html_to_sheet(str, _opts) {
			var opts = _opts || {};
			if (DENSE != null && opts.dense == null) opts.dense = DENSE;
			var ws = opts.dense ? ([]) : ({});
			str = str.replace(/<!--.*?-->/g, "");
			var mtch = str.match(/<table/i);
			if (!mtch) throw new Error("Invalid HTML: could not find <table>");
			var mtch2 = str.match(/<\/table/i);
			var i = mtch.index, j = mtch2 && mtch2.index || str.length;
			var rows = split_regex(str.slice(i, j), /(:?<tr[^>]*>)/i, "<tr>");
			var R = -1, C = 0, RS = 0, CS = 0;
			var range = { s: { r: 10000000, c: 10000000 }, e: { r: 0, c: 0 } };
			var merges = [];
			for (i = 0; i < rows.length; ++i) {
				var row = rows[i].trim();
				var hd = row.slice(0, 3).toLowerCase();
				if (hd == "<tr") { ++R; if (opts.sheetRows && opts.sheetRows <= R) { --R; break; } C = 0; continue; }
				if (hd != "<td" && hd != "<th") continue;
				var cells = row.split(/<\/t[dh]>/i);
				for (j = 0; j < cells.length; ++j) {
					var cell = cells[j].trim();
					if (!cell.match(/<t[dh]/i)) continue;
					var m = cell, cc = 0;
					/* TODO: parse styles etc */
					while (m.charAt(0) == "<" && (cc = m.indexOf(">")) > -1) m = m.slice(cc + 1);
					for (var midx = 0; midx < merges.length; ++midx) {
						var _merge = merges[midx];
						if (_merge.s.c == C && _merge.s.r < R && R <= _merge.e.r) { C = _merge.e.c + 1; midx = -1; }
					}
					var tag = parsexmltag(cell.slice(0, cell.indexOf(">")));
					CS = tag.colspan ? +tag.colspan : 1;
					if ((RS = +tag.rowspan) > 1 || CS > 1) merges.push({ s: { r: R, c: C }, e: { r: R + (RS || 1) - 1, c: C + CS - 1 } });
					var _t = tag.t || "";
					/* TODO: generate stub cells */
					if (!m.length) { C += CS; continue; }
					m = htmldecode(m);
					if (range.s.r > R) range.s.r = R; if (range.e.r < R) range.e.r = R;
					if (range.s.c > C) range.s.c = C; if (range.e.c < C) range.e.c = C;
					if (!m.length) continue;
					var o = { t: 's', v: m };
					if (opts.raw || !m.trim().length || _t == 's') { }
					else if (m === 'TRUE') o = { t: 'b', v: true };
					else if (m === 'FALSE') o = { t: 'b', v: false };
					else if (!isNaN(fuzzynum(m))) o = { t: 'n', v: fuzzynum(m) };
					else if (!isNaN(fuzzydate(m).getDate())) {
						o = ({ t: 'd', v: parseDate(m) });
						if (!opts.cellDates) o = ({ t: 'n', v: datenum(o.v) });
						o.z = opts.dateNF || SSF._table[14];
					}
					if (opts.dense) { if (!ws[R]) ws[R] = []; ws[R][C] = o; }
					else ws[encode_cell({ r: R, c: C })] = o;
					C += CS;
				}
			}
			ws['!ref'] = encode_range(range);
			if (merges.length) ws["!merges"] = merges;
			return ws;
		}
		function html_to_book(str, opts) {
			return sheet_to_workbook(html_to_sheet(str, opts), opts);
		}
		function make_html_row(ws, r, R, o) {
			var M = (ws['!merges'] || []);
			var oo = [];
			for (var C = r.s.c; C <= r.e.c; ++C) {
				var RS = 0, CS = 0;
				for (var j = 0; j < M.length; ++j) {
					if (M[j].s.r > R || M[j].s.c > C) continue;
					if (M[j].e.r < R || M[j].e.c < C) continue;
					if (M[j].s.r < R || M[j].s.c < C) { RS = -1; break; }
					RS = M[j].e.r - M[j].s.r + 1; CS = M[j].e.c - M[j].s.c + 1; break;
				}
				if (RS < 0) continue;
				var coord = encode_cell({ r: R, c: C });
				var cell = o.dense ? (ws[R] || [])[C] : ws[coord];
				/* TODO: html entities */
				var w = (cell && cell.v != null) && (cell.h || escapehtml(cell.w || (format_cell(cell), cell.w) || "")) || "";
				var sp = ({});
				if (RS > 1) sp.rowspan = RS;
				if (CS > 1) sp.colspan = CS;
				sp.t = cell && cell.t || 'z';
				if (o.editable) w = '<span contenteditable="true">' + w + '</span>';
				sp.id = (o.id || "sjs") + "-" + coord;
				oo.push(writextag('td', w, sp));
			}
			var preamble = "<tr>";
			return preamble + oo.join("") + "</tr>";
		}
		function make_html_preamble(ws, R, o) {
			var out = [];
			return out.join("") + '<table' + (o && o.id ? ' id="' + o.id + '"' : "") + '>';
		}
		var _BEGIN = '<html><head><meta charset="utf-8"/><title>SheetJS Table Export</title></head><body>';
		var _END = '</body></html>';
		function sheet_to_html(ws, opts/*, wb:?Workbook*/) {
			var o = opts || {};
			var header = o.header != null ? o.header : _BEGIN;
			var footer = o.footer != null ? o.footer : _END;
			var out = [header];
			var r = decode_range(ws['!ref']);
			o.dense = Array.isArray(ws);
			out.push(make_html_preamble(ws, r, o));
			for (var R = r.s.r; R <= r.e.r; ++R) out.push(make_html_row(ws, r, R, o));
			out.push("</table>" + footer);
			return out.join("");
		}

		return {
			to_workbook: html_to_book,
			to_sheet: html_to_sheet,
			_row: make_html_row,
			BEGIN: _BEGIN,
			END: _END,
			_preamble: make_html_preamble,
			from_sheet: sheet_to_html
		};
	})();

	function parse_dom_table(table, _opts) {
		var opts = _opts || {};
		if (DENSE != null) opts.dense = DENSE;
		var ws = opts.dense ? ([]) : ({});
		var rows = table.getElementsByTagName('tr');
		var sheetRows = opts.sheetRows || 10000000;
		var range = { s: { r: 0, c: 0 }, e: { r: 0, c: 0 } };
		var merges = [], midx = 0;
		var rowinfo = [];
		var _R = 0, R = 0, _C = 0, C = 0, RS = 0, CS = 0;
		for (; _R < rows.length && R < sheetRows; ++_R) {
			var row = rows[_R];
			if (is_dom_element_hidden(row)) {
				if (opts.display) continue;
				rowinfo[R] = { hidden: true };
			}
			var elts = (row.children);
			for (_C = C = 0; _C < elts.length; ++_C) {
				var elt = elts[_C];
				if (opts.display && is_dom_element_hidden(elt)) continue;
				var v = htmldecode(elt.innerHTML);
				for (midx = 0; midx < merges.length; ++midx) {
					var m = merges[midx];
					if (m.s.c == C && m.s.r <= R && R <= m.e.r) { C = m.e.c + 1; midx = -1; }
				}
				/* TODO: figure out how to extract nonstandard mso- style */
				CS = +elt.getAttribute("colspan") || 1;
				if ((RS = +elt.getAttribute("rowspan")) > 0 || CS > 1) merges.push({ s: { r: R, c: C }, e: { r: R + (RS || 1) - 1, c: C + CS - 1 } });
				var o = { t: 's', v: v };
				var _t = elt.getAttribute("t") || "";
				if (v != null) {
					if (v.length == 0) o.t = _t || 'z';
					else if (opts.raw || v.trim().length == 0 || _t == "s") { }
					else if (v === 'TRUE') o = { t: 'b', v: true };
					else if (v === 'FALSE') o = { t: 'b', v: false };
					else if (!isNaN(fuzzynum(v))) o = { t: 'n', v: fuzzynum(v) };
					else if (!isNaN(fuzzydate(v).getDate())) {
						o = ({ t: 'd', v: parseDate(v) });
						if (!opts.cellDates) o = ({ t: 'n', v: datenum(o.v) });
						o.z = opts.dateNF || SSF._table[14];
					}
				}
				if (opts.dense) { if (!ws[R]) ws[R] = []; ws[R][C] = o; }
				else ws[encode_cell({ c: C, r: R })] = o;
				if (range.e.c < C) range.e.c = C;
				C += CS;
			}
			++R;
		}
		if (merges.length) ws['!merges'] = merges;
		if (rowinfo.length) ws['!rows'] = rowinfo;
		range.e.r = R - 1;
		ws['!ref'] = encode_range(range);
		if (R >= sheetRows) ws['!fullref'] = encode_range((range.e.r = rows.length - _R + R - 1, range)); // We can count the real number of rows to parse but we don't to improve the performance
		return ws;
	}

	function table_to_book(table, opts) {
		return sheet_to_workbook(parse_dom_table(table, opts), opts);
	}

	function is_dom_element_hidden(element) {
		var display = '';
		var get_computed_style = get_get_computed_style_function(element);
		if (get_computed_style) display = get_computed_style(element).getPropertyValue('display');
		if (!display) display = element.style.display; // Fallback for cases when getComputedStyle is not available (e.g. an old browser or some Node.js environments) or doesn't work (e.g. if the element is not inserted to a document)
		return display === 'none';
	}

	/* global getComputedStyle */
	function get_get_computed_style_function(element) {
		// The proper getComputedStyle implementation is the one defined in the element window
		if (element.ownerDocument.defaultView && typeof element.ownerDocument.defaultView.getComputedStyle === 'function') return element.ownerDocument.defaultView.getComputedStyle;
		// If it is not available, try to get one from the global namespace
		if (typeof getComputedStyle === 'function') return getComputedStyle;
		return null;
	}
	/* OpenDocument */
	var parse_content_xml = (function () {

		var parse_text_p = function (text) {
			/* 6.1.2 White Space Characters */
			var fixed = text
				.replace(/[\t\r\n]/g, " ").trim().replace(/ +/g, " ")
				.replace(/<text:s\/>/g, " ")
				.replace(/<text:s text:c="(\d+)"\/>/g, function ($$, $1) { return Array(parseInt($1, 10) + 1).join(" "); })
				.replace(/<text:tab[^>]*\/>/g, "\t")
				.replace(/<text:line-break\/>/g, "\n");
			var v = unescapexml(fixed.replace(/<[^>]*>/g, ""));

			return [v];
		};

		var number_formats = {
			/* ods name: [short ssf fmt, long ssf fmt] */
			day: ["d", "dd"],
			month: ["m", "mm"],
			year: ["y", "yy"],
			hours: ["h", "hh"],
			minutes: ["m", "mm"],
			seconds: ["s", "ss"],
			"am-pm": ["A/P", "AM/PM"],
			"day-of-week": ["ddd", "dddd"],
			era: ["e", "ee"],
			/* there is no native representation of LO "Q" format */
			quarter: ["\\Qm", "m\\\"th quarter\""]
		};

		return function pcx(d, _opts) {
			var opts = _opts || {};
			if (DENSE != null && opts.dense == null) opts.dense = DENSE;
			var str = xlml_normalize(d);
			var state = [], tmp;
			var tag;
			var NFtag = { name: "" }, NF = "", pidx = 0;
			var sheetag;
			var rowtag;
			var Sheets = {}, SheetNames = [];
			var ws = opts.dense ? ([]) : ({});
			var Rn, q;
			var ctag = ({ value: "" });
			var textp = "", textpidx = 0, textptag;
			var textR = [];
			var R = -1, C = -1, range = { s: { r: 1000000, c: 10000000 }, e: { r: 0, c: 0 } };
			var row_ol = 0;
			var number_format_map = {};
			var merges = [], mrange = {}, mR = 0, mC = 0;
			var rowinfo = [], rowpeat = 1, colpeat = 1;
			var arrayf = [];
			var WB = { Names: [] };
			var atag = ({});
			var _Ref = ["", ""];
			var comments = [], comment = ({});
			var creator = "", creatoridx = 0;
			var isstub = false, intable = false;
			var i = 0;
			xlmlregex.lastIndex = 0;
			str = str.replace(/<!--([\s\S]*?)-->/mg, "").replace(/<!DOCTYPE[^\[]*\[[^\]]*\]>/gm, "");
			while ((Rn = xlmlregex.exec(str))) switch ((Rn[3] = Rn[3].replace(/_.*$/, ""))) {

				case 'table': case '工作表': // 9.1.2 <table:table>
					if (Rn[1] === '/') {
						if (range.e.c >= range.s.c && range.e.r >= range.s.r) ws['!ref'] = encode_range(range);
						if (opts.sheetRows > 0 && opts.sheetRows <= range.e.r) {
							ws['!fullref'] = ws['!ref'];
							range.e.r = opts.sheetRows - 1;
							ws['!ref'] = encode_range(range);
						}
						if (merges.length) ws['!merges'] = merges;
						if (rowinfo.length) ws["!rows"] = rowinfo;
						sheetag.name = sheetag['名称'] || sheetag.name;
						if (typeof JSON !== 'undefined') JSON.stringify(sheetag);
						SheetNames.push(sheetag.name);
						Sheets[sheetag.name] = ws;
						intable = false;
					}
					else if (Rn[0].charAt(Rn[0].length - 2) !== '/') {
						sheetag = parsexmltag(Rn[0], false);
						R = C = -1;
						range.s.r = range.s.c = 10000000; range.e.r = range.e.c = 0;
						ws = opts.dense ? ([]) : ({}); merges = [];
						rowinfo = [];
						intable = true;
					}
					break;

				case 'table-row-group': // 9.1.9 <table:table-row-group>
					if (Rn[1] === "/") --row_ol; else ++row_ol;
					break;
				case 'table-row': case '行': // 9.1.3 <table:table-row>
					if (Rn[1] === '/') { R += rowpeat; rowpeat = 1; break; }
					rowtag = parsexmltag(Rn[0], false);
					if (rowtag['行号']) R = rowtag['行号'] - 1; else if (R == -1) R = 0;
					rowpeat = +rowtag['number-rows-repeated'] || 1;
					/* TODO: remove magic */
					if (rowpeat < 10) for (i = 0; i < rowpeat; ++i) if (row_ol > 0) rowinfo[R + i] = { level: row_ol };
					C = -1; break;
				case 'covered-table-cell': // 9.1.5 <table:covered-table-cell>
					if (Rn[1] !== '/') ++C;
					if (opts.sheetStubs) {
						if (opts.dense) { if (!ws[R]) ws[R] = []; ws[R][C] = { t: 'z' }; }
						else ws[encode_cell({ r: R, c: C })] = { t: 'z' };
					}
					textp = ""; textR = [];
					break; /* stub */
				case 'table-cell': case '数据':
					if (Rn[0].charAt(Rn[0].length - 2) === '/') {
						++C;
						ctag = parsexmltag(Rn[0], false);
						colpeat = parseInt(ctag['number-columns-repeated'] || "1", 10);
						q = ({ t: 'z', v: null });
						if (ctag.formula && opts.cellFormula != false) q.f = ods_to_csf_formula(unescapexml(ctag.formula));
						if ((ctag['数据类型'] || ctag['value-type']) == "string") {
							q.t = "s"; q.v = unescapexml(ctag['string-value'] || "");
							if (opts.dense) {
								if (!ws[R]) ws[R] = [];
								ws[R][C] = q;
							} else {
								ws[encode_cell({ r: R, c: C })] = q;
							}
						}
						C += colpeat - 1;
					} else if (Rn[1] !== '/') {
						++C;
						colpeat = 1;
						var rptR = rowpeat ? R + rowpeat - 1 : R;
						if (C > range.e.c) range.e.c = C;
						if (C < range.s.c) range.s.c = C;
						if (R < range.s.r) range.s.r = R;
						if (rptR > range.e.r) range.e.r = rptR;
						ctag = parsexmltag(Rn[0], false);
						comments = []; comment = ({});
						q = ({ t: ctag['数据类型'] || ctag['value-type'], v: null });
						if (opts.cellFormula) {
							if (ctag.formula) ctag.formula = unescapexml(ctag.formula);
							if (ctag['number-matrix-columns-spanned'] && ctag['number-matrix-rows-spanned']) {
								mR = parseInt(ctag['number-matrix-rows-spanned'], 10) || 0;
								mC = parseInt(ctag['number-matrix-columns-spanned'], 10) || 0;
								mrange = { s: { r: R, c: C }, e: { r: R + mR - 1, c: C + mC - 1 } };
								q.F = encode_range(mrange);
								arrayf.push([mrange, q.F]);
							}
							if (ctag.formula) q.f = ods_to_csf_formula(ctag.formula);
							else for (i = 0; i < arrayf.length; ++i)
								if (R >= arrayf[i][0].s.r && R <= arrayf[i][0].e.r)
									if (C >= arrayf[i][0].s.c && C <= arrayf[i][0].e.c)
										q.F = arrayf[i][1];
						}
						if (ctag['number-columns-spanned'] || ctag['number-rows-spanned']) {
							mR = parseInt(ctag['number-rows-spanned'], 10) || 0;
							mC = parseInt(ctag['number-columns-spanned'], 10) || 0;
							mrange = { s: { r: R, c: C }, e: { r: R + mR - 1, c: C + mC - 1 } };
							merges.push(mrange);
						}

						/* 19.675.2 table:number-columns-repeated */
						if (ctag['number-columns-repeated']) colpeat = parseInt(ctag['number-columns-repeated'], 10);

						/* 19.385 office:value-type */
						switch (q.t) {
							case 'boolean': q.t = 'b'; q.v = parsexmlbool(ctag['boolean-value']); break;
							case 'float': q.t = 'n'; q.v = parseFloat(ctag.value); break;
							case 'percentage': q.t = 'n'; q.v = parseFloat(ctag.value); break;
							case 'currency': q.t = 'n'; q.v = parseFloat(ctag.value); break;
							case 'date': q.t = 'd'; q.v = parseDate(ctag['date-value']);
								if (!opts.cellDates) { q.t = 'n'; q.v = datenum(q.v); }
								q.z = 'm/d/yy'; break;
							case 'time': q.t = 'n'; q.v = parse_isodur(ctag['time-value']) / 86400; break;
							case 'number': q.t = 'n'; q.v = parseFloat(ctag['数据数值']); break;
							default:
								if (q.t === 'string' || q.t === 'text' || !q.t) {
									q.t = 's';
									if (ctag['string-value'] != null) { textp = unescapexml(ctag['string-value']); textR = []; }
								} else throw new Error('Unsupported value type ' + q.t);
						}
					} else {
						isstub = false;
						if (q.t === 's') {
							q.v = textp || '';
							if (textR.length) q.R = textR;
							isstub = textpidx == 0;
						}
						if (atag.Target) q.l = atag;
						if (comments.length > 0) { q.c = comments; comments = []; }
						if (textp && opts.cellText !== false) q.w = textp;
						if (!isstub || opts.sheetStubs) {
							if (!(opts.sheetRows && opts.sheetRows <= R)) {
								for (var rpt = 0; rpt < rowpeat; ++rpt) {
									colpeat = parseInt(ctag['number-columns-repeated'] || "1", 10);
									if (opts.dense) {
										if (!ws[R + rpt]) ws[R + rpt] = [];
										ws[R + rpt][C] = rpt == 0 ? q : dup(q);
										while (--colpeat > 0) ws[R + rpt][C + colpeat] = dup(q);
									} else {
										ws[encode_cell({ r: R + rpt, c: C })] = q;
										while (--colpeat > 0) ws[encode_cell({ r: R + rpt, c: C + colpeat })] = dup(q);
									}
									if (range.e.c <= C) range.e.c = C;
								}
							}
						}
						colpeat = parseInt(ctag['number-columns-repeated'] || "1", 10);
						C += colpeat - 1; colpeat = 0;
						q = {};
						textp = ""; textR = [];
					}
					atag = ({});
					break; // 9.1.4 <table:table-cell>

				/* pure state */
				case 'document': // TODO: <office:document> is the root for FODS
				case 'document-content': case '电子表格文档': // 3.1.3.2 <office:document-content>
				case 'spreadsheet': case '主体': // 3.7 <office:spreadsheet>
				case 'scripts': // 3.12 <office:scripts>
				case 'styles': // TODO <office:styles>
				case 'font-face-decls': // 3.14 <office:font-face-decls>
					if (Rn[1] === '/') { if ((tmp = state.pop())[0] !== Rn[3]) throw "Bad state: " + tmp; }
					else if (Rn[0].charAt(Rn[0].length - 2) !== '/') state.push([Rn[3], true]);
					break;

				case 'annotation': // 14.1 <office:annotation>
					if (Rn[1] === '/') {
						if ((tmp = state.pop())[0] !== Rn[3]) throw "Bad state: " + tmp;
						comment.t = textp;
						if (textR.length) comment.R = textR;
						comment.a = creator;
						comments.push(comment);
					}
					else if (Rn[0].charAt(Rn[0].length - 2) !== '/') { state.push([Rn[3], false]); }
					creator = ""; creatoridx = 0;
					textp = ""; textpidx = 0; textR = [];
					break;

				case 'creator': // 4.3.2.7 <dc:creator>
					if (Rn[1] === '/') { creator = str.slice(creatoridx, Rn.index); }
					else creatoridx = Rn.index + Rn[0].length;
					break;

				/* ignore state */
				case 'meta': case '元数据': // TODO: <office:meta> <uof:元数据> FODS/UOF
				case 'settings': // TODO: <office:settings>
				case 'config-item-set': // TODO: <office:config-item-set>
				case 'config-item-map-indexed': // TODO: <office:config-item-map-indexed>
				case 'config-item-map-entry': // TODO: <office:config-item-map-entry>
				case 'config-item-map-named': // TODO: <office:config-item-map-entry>
				case 'shapes': // 9.2.8 <table:shapes>
				case 'frame': // 10.4.2 <draw:frame>
				case 'text-box': // 10.4.3 <draw:text-box>
				case 'image': // 10.4.4 <draw:image>
				case 'data-pilot-tables': // 9.6.2 <table:data-pilot-tables>
				case 'list-style': // 16.30 <text:list-style>
				case 'form': // 13.13 <form:form>
				case 'dde-links': // 9.8 <table:dde-links>
				case 'event-listeners': // TODO
				case 'chart': // TODO
					if (Rn[1] === '/') { if ((tmp = state.pop())[0] !== Rn[3]) throw "Bad state: " + tmp; }
					else if (Rn[0].charAt(Rn[0].length - 2) !== '/') state.push([Rn[3], false]);
					textp = ""; textpidx = 0; textR = [];
					break;

				case 'scientific-number': // TODO: <number:scientific-number>
					break;
				case 'currency-symbol': // TODO: <number:currency-symbol>
					break;
				case 'currency-style': // TODO: <number:currency-style>
					break;
				case 'number-style': // 16.27.2 <number:number-style>
				case 'percentage-style': // 16.27.9 <number:percentage-style>
				case 'date-style': // 16.27.10 <number:date-style>
				case 'time-style': // 16.27.18 <number:time-style>
					if (Rn[1] === '/') {
						number_format_map[NFtag.name] = NF;
						if ((tmp = state.pop())[0] !== Rn[3]) throw "Bad state: " + tmp;
					} else if (Rn[0].charAt(Rn[0].length - 2) !== '/') {
						NF = "";
						NFtag = parsexmltag(Rn[0], false);
						state.push([Rn[3], true]);
					} break;

				case 'script': break; // 3.13 <office:script>
				case 'libraries': break; // TODO: <ooo:libraries>
				case 'automatic-styles': break; // 3.15.3 <office:automatic-styles>
				case 'master-styles': break; // TODO: <office:master-styles>

				case 'default-style': // TODO: <style:default-style>
				case 'page-layout': break; // TODO: <style:page-layout>
				case 'style': // 16.2 <style:style>
					break;
				case 'map': break; // 16.3 <style:map>
				case 'font-face': break; // 16.21 <style:font-face>

				case 'paragraph-properties': break; // 17.6 <style:paragraph-properties>
				case 'table-properties': break; // 17.15 <style:table-properties>
				case 'table-column-properties': break; // 17.16 <style:table-column-properties>
				case 'table-row-properties': break; // 17.17 <style:table-row-properties>
				case 'table-cell-properties': break; // 17.18 <style:table-cell-properties>

				case 'number': // 16.27.3 <number:number>
					switch (state[state.length - 1][0]) {
						case 'time-style':
						case 'date-style':
							tag = parsexmltag(Rn[0], false);
							NF += number_formats[Rn[3]][tag.style === 'long' ? 1 : 0]; break;
					} break;

				case 'fraction': break; // TODO 16.27.6 <number:fraction>

				case 'day': // 16.27.11 <number:day>
				case 'month': // 16.27.12 <number:month>
				case 'year': // 16.27.13 <number:year>
				case 'era': // 16.27.14 <number:era>
				case 'day-of-week': // 16.27.15 <number:day-of-week>
				case 'week-of-year': // 16.27.16 <number:week-of-year>
				case 'quarter': // 16.27.17 <number:quarter>
				case 'hours': // 16.27.19 <number:hours>
				case 'minutes': // 16.27.20 <number:minutes>
				case 'seconds': // 16.27.21 <number:seconds>
				case 'am-pm': // 16.27.22 <number:am-pm>
					switch (state[state.length - 1][0]) {
						case 'time-style':
						case 'date-style':
							tag = parsexmltag(Rn[0], false);
							NF += number_formats[Rn[3]][tag.style === 'long' ? 1 : 0]; break;
					} break;

				case 'boolean-style': break; // 16.27.23 <number:boolean-style>
				case 'boolean': break; // 16.27.24 <number:boolean>
				case 'text-style': break; // 16.27.25 <number:text-style>
				case 'text': // 16.27.26 <number:text>
					if (Rn[0].slice(-2) === "/>") break;
					else if (Rn[1] === "/") switch (state[state.length - 1][0]) {
						case 'number-style':
						case 'date-style':
						case 'time-style':
							NF += str.slice(pidx, Rn.index);
							break;
					}
					else pidx = Rn.index + Rn[0].length;
					break;

				case 'named-range': // 9.4.12 <table:named-range>
					tag = parsexmltag(Rn[0], false);
					_Ref = ods_to_csf_3D(tag['cell-range-address']);
					var nrange = ({ Name: tag.name, Ref: _Ref[0] + '!' + _Ref[1] });
					if (intable) nrange.Sheet = SheetNames.length;
					WB.Names.push(nrange);
					break;

				case 'text-content': break; // 16.27.27 <number:text-content>
				case 'text-properties': break; // 16.27.27 <style:text-properties>
				case 'embedded-text': break; // 16.27.4 <number:embedded-text>

				case 'body': case '电子表格': break; // 3.3 16.9.6 19.726.3

				case 'forms': break; // 12.25.2 13.2
				case 'table-column': break; // 9.1.6 <table:table-column>
				case 'table-header-rows': break; // 9.1.7 <table:table-header-rows>
				case 'table-rows': break; // 9.1.12 <table:table-rows>
				/* TODO: outline levels */
				case 'table-column-group': break; // 9.1.10 <table:table-column-group>
				case 'table-header-columns': break; // 9.1.11 <table:table-header-columns>
				case 'table-columns': break; // 9.1.12 <table:table-columns>

				case 'null-date': break; // 9.4.2 <table:null-date> TODO: date1904

				case 'graphic-properties': break; // 17.21 <style:graphic-properties>
				case 'calculation-settings': break; // 9.4.1 <table:calculation-settings>
				case 'named-expressions': break; // 9.4.11 <table:named-expressions>
				case 'label-range': break; // 9.4.9 <table:label-range>
				case 'label-ranges': break; // 9.4.10 <table:label-ranges>
				case 'named-expression': break; // 9.4.13 <table:named-expression>
				case 'sort': break; // 9.4.19 <table:sort>
				case 'sort-by': break; // 9.4.20 <table:sort-by>
				case 'sort-groups': break; // 9.4.22 <table:sort-groups>

				case 'tab': break; // 6.1.4 <text:tab>
				case 'line-break': break; // 6.1.5 <text:line-break>
				case 'span': break; // 6.1.7 <text:span>
				case 'p': case '文本串': // 5.1.3 <text:p>
					if (Rn[1] === '/' && (!ctag || !ctag['string-value'])) {
						var ptp = parse_text_p(str.slice(textpidx, Rn.index), textptag);
						textp = (textp.length > 0 ? textp + "\n" : "") + ptp[0];
					} else { textptag = parsexmltag(Rn[0], false); textpidx = Rn.index + Rn[0].length; }
					break; // <text:p>
				case 's': break; // <text:s>

				case 'database-range': // 9.4.15 <table:database-range>
					if (Rn[1] === '/') break;
					try {
						_Ref = ods_to_csf_3D(parsexmltag(Rn[0])['target-range-address']);
						Sheets[_Ref[0]]['!autofilter'] = { ref: _Ref[1] };
					} catch (e) {/* empty */ }
					break;

				case 'date': break; // <*:date>

				case 'object': break; // 10.4.6.2 <draw:object>
				case 'title': case '标题': break; // <*:title> OR <uof:标题>
				case 'desc': break; // <*:desc>
				case 'binary-data': break; // 10.4.5 TODO: b64 blob

				/* 9.2 Advanced Tables */
				case 'table-source': break; // 9.2.6
				case 'scenario': break; // 9.2.6

				case 'iteration': break; // 9.4.3 <table:iteration>
				case 'content-validations': break; // 9.4.4 <table:
				case 'content-validation': break; // 9.4.5 <table:
				case 'help-message': break; // 9.4.6 <table:
				case 'error-message': break; // 9.4.7 <table:
				case 'database-ranges': break; // 9.4.14 <table:database-ranges>
				case 'filter': break; // 9.5.2 <table:filter>
				case 'filter-and': break; // 9.5.3 <table:filter-and>
				case 'filter-or': break; // 9.5.4 <table:filter-or>
				case 'filter-condition': break; // 9.5.5 <table:filter-condition>

				case 'list-level-style-bullet': break; // 16.31 <text:
				case 'list-level-style-number': break; // 16.32 <text:
				case 'list-level-properties': break; // 17.19 <style:

				/* 7.3 Document Fields */
				case 'sender-firstname': // 7.3.6.2
				case 'sender-lastname': // 7.3.6.3
				case 'sender-initials': // 7.3.6.4
				case 'sender-title': // 7.3.6.5
				case 'sender-position': // 7.3.6.6
				case 'sender-email': // 7.3.6.7
				case 'sender-phone-private': // 7.3.6.8
				case 'sender-fax': // 7.3.6.9
				case 'sender-company': // 7.3.6.10
				case 'sender-phone-work': // 7.3.6.11
				case 'sender-street': // 7.3.6.12
				case 'sender-city': // 7.3.6.13
				case 'sender-postal-code': // 7.3.6.14
				case 'sender-country': // 7.3.6.15
				case 'sender-state-or-province': // 7.3.6.16
				case 'author-name': // 7.3.7.1
				case 'author-initials': // 7.3.7.2
				case 'chapter': // 7.3.8
				case 'file-name': // 7.3.9
				case 'template-name': // 7.3.9
				case 'sheet-name': // 7.3.9
					break;

				case 'event-listener':
					break;
				/* TODO: FODS Properties */
				case 'initial-creator':
				case 'creation-date':
				case 'print-date':
				case 'generator':
				case 'document-statistic':
				case 'user-defined':
				case 'editing-duration':
				case 'editing-cycles':
					break;

				/* TODO: FODS Config */
				case 'config-item':
					break;

				/* TODO: style tokens */
				case 'page-number': break; // TODO <text:page-number>
				case 'page-count': break; // TODO <text:page-count>
				case 'time': break; // TODO <text:time>

				/* 9.3 Advanced Table Cells */
				case 'cell-range-source': break; // 9.3.1 <table:
				case 'detective': break; // 9.3.2 <table:
				case 'operation': break; // 9.3.3 <table:
				case 'highlighted-range': break; // 9.3.4 <table:

				/* 9.6 Data Pilot Tables <table: */
				case 'data-pilot-table': // 9.6.3
				case 'source-cell-range': // 9.6.5
				case 'source-service': // 9.6.6
				case 'data-pilot-field': // 9.6.7
				case 'data-pilot-level': // 9.6.8
				case 'data-pilot-subtotals': // 9.6.9
				case 'data-pilot-subtotal': // 9.6.10
				case 'data-pilot-members': // 9.6.11
				case 'data-pilot-member': // 9.6.12
				case 'data-pilot-display-info': // 9.6.13
				case 'data-pilot-sort-info': // 9.6.14
				case 'data-pilot-layout-info': // 9.6.15
				case 'data-pilot-field-reference': // 9.6.16
				case 'data-pilot-groups': // 9.6.17
				case 'data-pilot-group': // 9.6.18
				case 'data-pilot-group-member': // 9.6.19
					break;

				/* 10.3 Drawing Shapes */
				case 'rect': // 10.3.2
					break;

				/* 14.6 DDE Connections */
				case 'dde-connection-decls': // 14.6.2 <text:
				case 'dde-connection-decl': // 14.6.3 <text:
				case 'dde-link': // 14.6.4 <table:
				case 'dde-source': // 14.6.5 <office:
					break;

				case 'properties': break; // 13.7 <form:properties>
				case 'property': break; // 13.8 <form:property>

				case 'a': // 6.1.8 hyperlink
					if (Rn[1] !== '/') {
						atag = parsexmltag(Rn[0], false);
						if (!atag.href) break;
						atag.Target = atag.href; delete atag.href;
						if (atag.Target.charAt(0) == "#" && atag.Target.indexOf(".") > -1) {
							_Ref = ods_to_csf_3D(atag.Target.slice(1));
							atag.Target = "#" + _Ref[0] + "!" + _Ref[1];
						}
					}
					break;

				/* non-standard */
				case 'table-protection': break;
				case 'data-pilot-grand-total': break; // <table:
				case 'office-document-common-attrs': break; // bare
				default: switch (Rn[2]) {
					case 'dc:':       // TODO: properties
					case 'calcext:':  // ignore undocumented extensions
					case 'loext:':    // ignore undocumented extensions
					case 'ooo:':      // ignore undocumented extensions
					case 'chartooo:': // ignore undocumented extensions
					case 'draw:':     // TODO: drawing
					case 'style:':    // TODO: styles
					case 'chart:':    // TODO: charts
					case 'form:':     // TODO: forms
					case 'uof:':      // TODO: uof
					case '表:':       // TODO: uof
					case '字:':       // TODO: uof
						break;
					default: if (opts.WTF) throw new Error(Rn);
				}
			}
			var out = ({
				Sheets: Sheets,
				SheetNames: SheetNames,
				Workbook: WB
			});
			if (opts.bookSheets) delete out.Sheets;
			return out;
		};
	})();

	function parse_ods(zip, opts) {
		opts = opts || ({});
		var ods = !!safegetzipfile(zip, 'objectdata');
		if (ods) parse_manifest(getzipdata(zip, 'META-INF/manifest.xml'), opts);
		var content = getzipstr(zip, 'content.xml');
		if (!content) throw new Error("Missing content.xml in " + (ods ? "ODS" : "UOF") + " file");
		var wb = parse_content_xml(ods ? content : utf8read(content), opts);
		if (safegetzipfile(zip, 'meta.xml')) wb.Props = parse_core_props(getzipdata(zip, 'meta.xml'));
		return wb;
	}
	function parse_fods(data, opts) {
		return parse_content_xml(data, opts);
	}

	/* OpenDocument */
	var write_styles_ods = (function () {
		var payload = '<office:document-styles ' + wxt_helper({
			'xmlns:office': "urn:oasis:names:tc:opendocument:xmlns:office:1.0",
			'xmlns:table': "urn:oasis:names:tc:opendocument:xmlns:table:1.0",
			'xmlns:style': "urn:oasis:names:tc:opendocument:xmlns:style:1.0",
			'xmlns:text': "urn:oasis:names:tc:opendocument:xmlns:text:1.0",
			'xmlns:draw': "urn:oasis:names:tc:opendocument:xmlns:drawing:1.0",
			'xmlns:fo': "urn:oasis:names:tc:opendocument:xmlns:xsl-fo-compatible:1.0",
			'xmlns:xlink': "http://www.w3.org/1999/xlink",
			'xmlns:dc': "http://purl.org/dc/elements/1.1/",
			'xmlns:number': "urn:oasis:names:tc:opendocument:xmlns:datastyle:1.0",
			'xmlns:svg': "urn:oasis:names:tc:opendocument:xmlns:svg-compatible:1.0",
			'xmlns:of': "urn:oasis:names:tc:opendocument:xmlns:of:1.2",
			'office:version': "1.2"
		}) + '></office:document-styles>';
		return function wso() {
			return XML_HEADER + payload;
		};
	})();
	var write_content_ods = (function () {
		/* 6.1.2 White Space Characters */
		var write_text_p = function (text) {
			return escapexml(text)
				.replace(/  +/g, function ($$) { return '<text:s text:c="' + $$.length + '"/>'; })
				.replace(/\t/g, "<text:tab/>")
				.replace(/\n/g, "<text:line-break/>")
				.replace(/^ /, "<text:s/>").replace(/ $/, "<text:s/>");
		};

		var null_cell_xml = '          <table:table-cell />\n';
		var covered_cell_xml = '          <table:covered-table-cell/>\n';
		var write_ws = function (ws, wb, i) {
			/* Section 9 Tables */
			var o = [];
			o.push('      <table:table table:name="' + escapexml(wb.SheetNames[i]) + '">\n');
			var R = 0, C = 0, range = decode_range(ws['!ref']);
			var marr = ws['!merges'] || [], mi = 0;
			var dense = Array.isArray(ws);
			for (R = 0; R < range.s.r; ++R) o.push('        <table:table-row></table:table-row>\n');
			for (; R <= range.e.r; ++R) {
				o.push('        <table:table-row>\n');
				for (C = 0; C < range.s.c; ++C) o.push(null_cell_xml);
				for (; C <= range.e.c; ++C) {
					var skip = false, ct = {}, textp = "";
					for (mi = 0; mi != marr.length; ++mi) {
						if (marr[mi].s.c > C) continue;
						if (marr[mi].s.r > R) continue;
						if (marr[mi].e.c < C) continue;
						if (marr[mi].e.r < R) continue;
						if (marr[mi].s.c != C || marr[mi].s.r != R) skip = true;
						ct['table:number-columns-spanned'] = (marr[mi].e.c - marr[mi].s.c + 1);
						ct['table:number-rows-spanned'] = (marr[mi].e.r - marr[mi].s.r + 1);
						break;
					}
					if (skip) { o.push(covered_cell_xml); continue; }
					var ref = encode_cell({ r: R, c: C }), cell = dense ? (ws[R] || [])[C] : ws[ref];
					if (cell && cell.f) {
						ct['table:formula'] = escapexml(csf_to_ods_formula(cell.f));
						if (cell.F) {
							if (cell.F.slice(0, ref.length) == ref) {
								var _Fref = decode_range(cell.F);
								ct['table:number-matrix-columns-spanned'] = (_Fref.e.c - _Fref.s.c + 1);
								ct['table:number-matrix-rows-spanned'] = (_Fref.e.r - _Fref.s.r + 1);
							}
						}
					}
					if (!cell) { o.push(null_cell_xml); continue; }
					switch (cell.t) {
						case 'b':
							textp = (cell.v ? 'TRUE' : 'FALSE');
							ct['office:value-type'] = "boolean";
							ct['office:boolean-value'] = (cell.v ? 'true' : 'false');
							break;
						case 'n':
							textp = (cell.w || String(cell.v || 0));
							ct['office:value-type'] = "float";
							ct['office:value'] = (cell.v || 0);
							break;
						case 's': case 'str':
							textp = cell.v;
							ct['office:value-type'] = "string";
							break;
						case 'd':
							textp = (cell.w || (parseDate(cell.v).toISOString()));
							ct['office:value-type'] = "date";
							ct['office:date-value'] = (parseDate(cell.v).toISOString());
							ct['table:style-name'] = "ce1";
							break;
						//case 'e':
						default: o.push(null_cell_xml); continue;
					}
					var text_p = write_text_p(textp);
					if (cell.l && cell.l.Target) {
						var _tgt = cell.l.Target; _tgt = _tgt.charAt(0) == "#" ? "#" + csf_to_ods_3D(_tgt.slice(1)) : _tgt;
						text_p = writextag('text:a', text_p, { 'xlink:href': _tgt });
					}
					o.push('          ' + writextag('table:table-cell', writextag('text:p', text_p, {}), ct) + '\n');
				}
				o.push('        </table:table-row>\n');
			}
			o.push('      </table:table>\n');
			return o.join("");
		};

		var write_automatic_styles_ods = function (o) {
			o.push(' <office:automatic-styles>\n');
			o.push('  <number:date-style style:name="N37" number:automatic-order="true">\n');
			o.push('   <number:month number:style="long"/>\n');
			o.push('   <number:text>/</number:text>\n');
			o.push('   <number:day number:style="long"/>\n');
			o.push('   <number:text>/</number:text>\n');
			o.push('   <number:year/>\n');
			o.push('  </number:date-style>\n');
			o.push('  <style:style style:name="ce1" style:family="table-cell" style:parent-style-name="Default" style:data-style-name="N37"/>\n');
			o.push(' </office:automatic-styles>\n');
		};

		return function wcx(wb, opts) {
			var o = [XML_HEADER];
			/* 3.1.3.2 */
			var attr = wxt_helper({
				'xmlns:office': "urn:oasis:names:tc:opendocument:xmlns:office:1.0",
				'xmlns:table': "urn:oasis:names:tc:opendocument:xmlns:table:1.0",
				'xmlns:style': "urn:oasis:names:tc:opendocument:xmlns:style:1.0",
				'xmlns:text': "urn:oasis:names:tc:opendocument:xmlns:text:1.0",
				'xmlns:draw': "urn:oasis:names:tc:opendocument:xmlns:drawing:1.0",
				'xmlns:fo': "urn:oasis:names:tc:opendocument:xmlns:xsl-fo-compatible:1.0",
				'xmlns:xlink': "http://www.w3.org/1999/xlink",
				'xmlns:dc': "http://purl.org/dc/elements/1.1/",
				'xmlns:meta': "urn:oasis:names:tc:opendocument:xmlns:meta:1.0",
				'xmlns:number': "urn:oasis:names:tc:opendocument:xmlns:datastyle:1.0",
				'xmlns:presentation': "urn:oasis:names:tc:opendocument:xmlns:presentation:1.0",
				'xmlns:svg': "urn:oasis:names:tc:opendocument:xmlns:svg-compatible:1.0",
				'xmlns:chart': "urn:oasis:names:tc:opendocument:xmlns:chart:1.0",
				'xmlns:dr3d': "urn:oasis:names:tc:opendocument:xmlns:dr3d:1.0",
				'xmlns:math': "http://www.w3.org/1998/Math/MathML",
				'xmlns:form': "urn:oasis:names:tc:opendocument:xmlns:form:1.0",
				'xmlns:script': "urn:oasis:names:tc:opendocument:xmlns:script:1.0",
				'xmlns:ooo': "http://openoffice.org/2004/office",
				'xmlns:ooow': "http://openoffice.org/2004/writer",
				'xmlns:oooc': "http://openoffice.org/2004/calc",
				'xmlns:dom': "http://www.w3.org/2001/xml-events",
				'xmlns:xforms': "http://www.w3.org/2002/xforms",
				'xmlns:xsd': "http://www.w3.org/2001/XMLSchema",
				'xmlns:xsi': "http://www.w3.org/2001/XMLSchema-instance",
				'xmlns:sheet': "urn:oasis:names:tc:opendocument:sh33tjs:1.0",
				'xmlns:rpt': "http://openoffice.org/2005/report",
				'xmlns:of': "urn:oasis:names:tc:opendocument:xmlns:of:1.2",
				'xmlns:xhtml': "http://www.w3.org/1999/xhtml",
				'xmlns:grddl': "http://www.w3.org/2003/g/data-view#",
				'xmlns:tableooo': "http://openoffice.org/2009/table",
				'xmlns:drawooo': "http://openoffice.org/2010/draw",
				'xmlns:calcext': "urn:org:documentfoundation:names:experimental:calc:xmlns:calcext:1.0",
				'xmlns:loext': "urn:org:documentfoundation:names:experimental:office:xmlns:loext:1.0",
				'xmlns:field': "urn:openoffice:names:experimental:ooo-ms-interop:xmlns:field:1.0",
				'xmlns:formx': "urn:openoffice:names:experimental:ooxml-odf-interop:xmlns:form:1.0",
				'xmlns:css3t': "http://www.w3.org/TR/css3-text/",
				'office:version': "1.2"
			});

			var fods = wxt_helper({
				'xmlns:config': "urn:oasis:names:tc:opendocument:xmlns:config:1.0",
				'office:mimetype': "application/vnd.oasis.opendocument.spreadsheet"
			});

			if (opts.bookType == "fods") o.push('<office:document' + attr + fods + '>\n');
			else o.push('<office:document-content' + attr + '>\n');
			write_automatic_styles_ods(o);
			o.push('  <office:body>\n');
			o.push('    <office:spreadsheet>\n');
			for (var i = 0; i != wb.SheetNames.length; ++i) o.push(write_ws(wb.Sheets[wb.SheetNames[i]], wb, i, opts));
			o.push('    </office:spreadsheet>\n');
			o.push('  </office:body>\n');
			if (opts.bookType == "fods") o.push('</office:document>');
			else o.push('</office:document-content>');
			return o.join("");
		};
	})();

	function write_ods(wb, opts) {
		if (opts.bookType == "fods") return write_content_ods(wb, opts);

		var zip = zip_new();
		var f = "";

		var manifest = [];
		var rdf = [];

		/* Part 3 Section 3.3 MIME Media Type */
		f = "mimetype";
		zip_add_file(zip, f, "application/vnd.oasis.opendocument.spreadsheet");

		/* Part 1 Section 2.2 Documents */
		f = "content.xml";
		zip_add_file(zip, f, write_content_ods(wb, opts));
		manifest.push([f, "text/xml"]);
		rdf.push([f, "ContentFile"]);

		/* TODO: these are hard-coded styles to satiate excel */
		f = "styles.xml";
		zip_add_file(zip, f, write_styles_ods(wb, opts));
		manifest.push([f, "text/xml"]);
		rdf.push([f, "StylesFile"]);

		/* TODO: this is hard-coded to satiate excel */
		f = "meta.xml";
		zip_add_file(zip, f, write_meta_ods());
		manifest.push([f, "text/xml"]);
		rdf.push([f, "MetadataFile"]);

		/* Part 3 Section 6 Metadata Manifest File */
		f = "manifest.rdf";
		zip_add_file(zip, f, write_rdf(rdf/*, opts*/));
		manifest.push([f, "application/rdf+xml"]);

		/* Part 3 Section 4 Manifest File */
		f = "META-INF/manifest.xml";
		zip_add_file(zip, f, write_manifest(manifest/*, opts*/));

		return zip;
	}

	function write_sheet_index(wb, sheet) {
		if (!sheet) return 0;
		var idx = wb.SheetNames.indexOf(sheet);
		if (idx == -1) throw new Error("Sheet not found: " + sheet);
		return idx;
	}

	function write_obj_str(factory) {
		return function write_str(wb, o) {
			var idx = write_sheet_index(wb, o.sheet);
			return factory.from_sheet(wb.Sheets[wb.SheetNames[idx]], o, wb);
		};
	}

	var write_htm_str = write_obj_str(HTML_);
	var write_csv_str = write_obj_str({ from_sheet: sheet_to_csv });
	var write_slk_str = write_obj_str(typeof SYLK !== "undefined" ? SYLK : {});
	var write_dif_str = write_obj_str(typeof DIF !== "undefined" ? DIF : {});
	var write_prn_str = write_obj_str(typeof PRN !== "undefined" ? PRN : {});
	var write_rtf_str = write_obj_str(typeof RTF !== "undefined" ? RTF : {});
	var write_txt_str = write_obj_str({ from_sheet: sheet_to_txt });
	var write_dbf_buf = write_obj_str(typeof DBF !== "undefined" ? DBF : {});
	var write_eth_str = write_obj_str(typeof ETH !== "undefined" ? ETH : {});

	function fix_opts_func(defaults) {
		return function fix_opts(opts) {
			for (var i = 0; i != defaults.length; ++i) {
				var d = defaults[i];
				if (opts[d[0]] === undefined) opts[d[0]] = d[1];
				if (d[2] === 'n') opts[d[0]] = Number(opts[d[0]]);
			}
		};
	}

	var fix_read_opts = fix_opts_func([
		['cellNF', false], /* emit cell number format string as .z */
		['cellHTML', true], /* emit html string as .h */
		['cellFormula', true], /* emit formulae as .f */
		['cellStyles', false], /* emits style/theme as .s */
		['cellText', true], /* emit formatted text as .w */
		['cellDates', false], /* emit date cells with type `d` */

		['sheetStubs', false], /* emit empty cells */
		['sheetRows', 0, 'n'], /* read n rows (0 = read all rows) */

		['bookDeps', false], /* parse calculation chains */
		['bookSheets', false], /* only try to get sheet names (no Sheets) */
		['bookProps', false], /* only try to get properties (no Sheets) */
		['bookFiles', false], /* include raw file structure (keys, files, cfb) */
		['bookVBA', false], /* include vba raw data (vbaraw) */

		['password', ''], /* password */
		['WTF', false] /* WTF mode (throws errors) */
	]);


	var fix_write_opts = fix_opts_func([
		['cellDates', false], /* write date cells with type `d` */

		['bookSST', false], /* Generate Shared String Table */

		['bookType', 'xlsx'], /* Type of workbook (xlsx/m/b) */

		['compression', false], /* Use file compression */

		['WTF', false] /* WTF mode (throws errors) */
	]);
	function get_sheet_type(n) {
		if (RELS.WS.indexOf(n) > -1) return "sheet";
		if (RELS.CS && n == RELS.CS) return "chart";
		if (RELS.DS && n == RELS.DS) return "dialog";
		if (RELS.MS && n == RELS.MS) return "macro";
		return (n && n.length) ? n : "sheet";
	}
	function safe_parse_wbrels(wbrels, sheets) {
		if (!wbrels) return 0;
		try {
			wbrels = sheets.map(function pwbr(w) { if (!w.id) w.id = w.strRelID; return [w.name, wbrels['!id'][w.id].Target, get_sheet_type(wbrels['!id'][w.id].Type)]; });
		} catch (e) { return null; }
		return !wbrels || wbrels.length === 0 ? null : wbrels;
	}

	function safe_parse_sheet(zip, path, relsPath, sheet, idx, sheetRels, sheets, stype, opts, wb, themes, styles) {
		try {
			sheetRels[sheet] = parse_rels(getzipstr(zip, relsPath, true), path);
			var data = getzipdata(zip, path);
			var _ws;
			switch (stype) {
				case 'sheet': _ws = parse_ws(data, path, idx, opts, sheetRels[sheet], wb, themes, styles); break;
				case 'chart': _ws = parse_cs(data, path, idx, opts, sheetRels[sheet], wb, themes, styles);
					if (!_ws || !_ws['!drawel']) break;
					var dfile = resolve_path(_ws['!drawel'].Target, path);
					var drelsp = get_rels_path(dfile);
					var draw = parse_drawing(getzipstr(zip, dfile, true), parse_rels(getzipstr(zip, drelsp, true), dfile));
					var chartp = resolve_path(draw, dfile);
					var crelsp = get_rels_path(chartp);
					_ws = parse_chart(getzipstr(zip, chartp, true), chartp, opts, parse_rels(getzipstr(zip, crelsp, true), chartp), wb, _ws);
					break;
				case 'macro': _ws = parse_ms(data, path, idx, opts, sheetRels[sheet], wb, themes, styles); break;
				case 'dialog': _ws = parse_ds(data, path, idx, opts, sheetRels[sheet], wb, themes, styles); break;
				default: throw new Error("Unrecognized sheet type " + stype);
			}
			sheets[sheet] = _ws;

			/* scan rels for comments */
			var comments = [];
			if (sheetRels && sheetRels[sheet]) keys(sheetRels[sheet]).forEach(function (n) {
				if (sheetRels[sheet][n].Type == RELS.CMNT) {
					var dfile = resolve_path(sheetRels[sheet][n].Target, path);
					comments = parse_cmnt(getzipdata(zip, dfile, true), dfile, opts);
					if (!comments || !comments.length) return;
					sheet_insert_comments(_ws, comments);
				}
			});
		} catch (e) { if (opts.WTF) throw e; }
	}

	function strip_front_slash(x) { return x.charAt(0) == '/' ? x.slice(1) : x; }

	function parse_zip(zip, opts) {
		make_ssf(SSF);
		opts = opts || {};
		fix_read_opts(opts);

		/* OpenDocument Part 3 Section 2.2.1 OpenDocument Package */
		if (safegetzipfile(zip, 'META-INF/manifest.xml')) return parse_ods(zip, opts);
		/* UOC */
		if (safegetzipfile(zip, 'objectdata.xml')) return parse_ods(zip, opts);
		/* Numbers */
		if (safegetzipfile(zip, 'Index/Document.iwa')) throw new Error('Unsupported NUMBERS file');

		var entries = zipentries(zip);
		var dir = parse_ct((getzipstr(zip, '[Content_Types].xml')));
		var xlsb = false;
		var sheets, binname;
		if (dir.workbooks.length === 0) {
			binname = "xl/workbook.xml";
			if (getzipdata(zip, binname, true)) dir.workbooks.push(binname);
		}
		if (dir.workbooks.length === 0) {
			binname = "xl/workbook.bin";
			if (!getzipdata(zip, binname, true)) throw new Error("Could not find workbook");
			dir.workbooks.push(binname);
			xlsb = true;
		}
		if (dir.workbooks[0].slice(-3) == "bin") xlsb = true;

		var themes = ({});
		var styles = ({});
		if (!opts.bookSheets && !opts.bookProps) {
			strs = [];
			if (dir.sst) try { strs = parse_sst(getzipdata(zip, strip_front_slash(dir.sst)), dir.sst, opts); } catch (e) { if (opts.WTF) throw e; }

			if (opts.cellStyles && dir.themes.length) themes = parse_theme(getzipstr(zip, dir.themes[0].replace(/^\//, ''), true) || "", dir.themes[0], opts);

			if (dir.style) styles = parse_sty(getzipdata(zip, strip_front_slash(dir.style)), dir.style, themes, opts);
		}

	/*var externbooks = */dir.links.map(function (link) {
			try {
				var rels = parse_rels(getzipstr(zip, get_rels_path(strip_front_slash(link))), link);
				return parse_xlink(getzipdata(zip, strip_front_slash(link)), rels, link, opts);
			} catch (e) { }
		});

		var wb = parse_wb(getzipdata(zip, strip_front_slash(dir.workbooks[0])), dir.workbooks[0], opts);

		var props = {}, propdata = "";

		if (dir.coreprops.length) {
			propdata = getzipdata(zip, strip_front_slash(dir.coreprops[0]), true);
			if (propdata) props = parse_core_props(propdata);
			if (dir.extprops.length !== 0) {
				propdata = getzipdata(zip, strip_front_slash(dir.extprops[0]), true);
				if (propdata) parse_ext_props(propdata, props, opts);
			}
		}

		var custprops = {};
		if (!opts.bookSheets || opts.bookProps) {
			if (dir.custprops.length !== 0) {
				propdata = getzipstr(zip, strip_front_slash(dir.custprops[0]), true);
				if (propdata) custprops = parse_cust_props(propdata, opts);
			}
		}

		var out = ({});
		if (opts.bookSheets || opts.bookProps) {
			if (wb.Sheets) sheets = wb.Sheets.map(function pluck(x) { return x.name; });
			else if (props.Worksheets && props.SheetNames.length > 0) sheets = props.SheetNames;
			if (opts.bookProps) { out.Props = props; out.Custprops = custprops; }
			if (opts.bookSheets && typeof sheets !== 'undefined') out.SheetNames = sheets;
			if (opts.bookSheets ? out.SheetNames : opts.bookProps) return out;
		}
		sheets = {};

		var deps = {};
		if (opts.bookDeps && dir.calcchain) deps = parse_cc(getzipdata(zip, strip_front_slash(dir.calcchain)), dir.calcchain, opts);

		var i = 0;
		var sheetRels = ({});
		var path, relsPath;

		{
			var wbsheets = wb.Sheets;
			props.Worksheets = wbsheets.length;
			props.SheetNames = [];
			for (var j = 0; j != wbsheets.length; ++j) {
				props.SheetNames[j] = wbsheets[j].name;
			}
		}

		var wbext = xlsb ? "bin" : "xml";
		var wbrelsi = dir.workbooks[0].lastIndexOf("/");
		var wbrelsfile = (dir.workbooks[0].slice(0, wbrelsi + 1) + "_rels/" + dir.workbooks[0].slice(wbrelsi + 1) + ".rels").replace(/^\//, "");
		if (!safegetzipfile(zip, wbrelsfile)) wbrelsfile = 'xl/_rels/workbook.' + wbext + '.rels';
		var wbrels = parse_rels(getzipstr(zip, wbrelsfile, true), wbrelsfile);
		if (wbrels) wbrels = safe_parse_wbrels(wbrels, wb.Sheets);

		/* Numbers iOS hack */
		var nmode = (getzipdata(zip, "xl/worksheets/sheet.xml", true)) ? 1 : 0;
		wsloop: for (i = 0; i != props.Worksheets; ++i) {
			var stype = "sheet";
			if (wbrels && wbrels[i]) {
				path = 'xl/' + (wbrels[i][1]).replace(/[\/]?xl\//, "");
				if (!safegetzipfile(zip, path)) path = wbrels[i][1];
				if (!safegetzipfile(zip, path)) path = wbrelsfile.replace(/_rels\/.*$/, "") + wbrels[i][1];
				stype = wbrels[i][2];
			} else {
				path = 'xl/worksheets/sheet' + (i + 1 - nmode) + "." + wbext;
				path = path.replace(/sheet0\./, "sheet.");
			}
			relsPath = path.replace(/^(.*)(\/)([^\/]*)$/, "$1/_rels/$3.rels");
			if (opts && opts.sheets != null) switch (typeof opts.sheets) {
				case "number": if (i != opts.sheets) continue wsloop; break;
				case "string": if (props.SheetNames[i].toLowerCase() != opts.sheets.toLowerCase()) continue wsloop; break;
				default: if (Array.isArray && Array.isArray(opts.sheets)) {
					var snjseen = false;
					for (var snj = 0; snj != opts.sheets.length; ++snj) {
						if (typeof opts.sheets[snj] == "number" && opts.sheets[snj] == i) snjseen = 1;
						if (typeof opts.sheets[snj] == "string" && opts.sheets[snj].toLowerCase() == props.SheetNames[i].toLowerCase()) snjseen = 1;
					}
					if (!snjseen) continue wsloop;
				}
			}
			safe_parse_sheet(zip, path, relsPath, props.SheetNames[i], i, sheetRels, sheets, stype, opts, wb, themes, styles);
		}

		out = ({
			Directory: dir,
			Workbook: wb,
			Props: props,
			Custprops: custprops,
			Deps: deps,
			Sheets: sheets,
			SheetNames: props.SheetNames,
			Strings: strs,
			Styles: styles,
			Themes: themes,
			SSF: SSF.get_table()
		});
		if (opts && opts.bookFiles) {
			out.keys = entries;
			out.files = zip.files;
		}
		if (opts && opts.bookVBA) {
			if (dir.vba.length > 0) out.vbaraw = getzipdata(zip, strip_front_slash(dir.vba[0]), true);
			else if (dir.defaults && dir.defaults.bin === CT_VBA) out.vbaraw = getzipdata(zip, 'xl/vbaProject.bin', true);
		}
		return out;
	}

	/* [MS-OFFCRYPTO] 2.1.1 */
	function parse_xlsxcfb(cfb, _opts) {
		var opts = _opts || {};
		var f = 'Workbook', data = CFB.find(cfb, f);
		try {
			f = '/!DataSpaces/Version';
			data = CFB.find(cfb, f); if (!data || !data.content) throw new Error("ECMA-376 Encrypted file missing " + f);
	/*var version = */parse_DataSpaceVersionInfo(data.content);

			/* 2.3.4.1 */
			f = '/!DataSpaces/DataSpaceMap';
			data = CFB.find(cfb, f); if (!data || !data.content) throw new Error("ECMA-376 Encrypted file missing " + f);
			var dsm = parse_DataSpaceMap(data.content);
			if (dsm.length !== 1 || dsm[0].comps.length !== 1 || dsm[0].comps[0].t !== 0 || dsm[0].name !== "StrongEncryptionDataSpace" || dsm[0].comps[0].v !== "EncryptedPackage")
				throw new Error("ECMA-376 Encrypted file bad " + f);

			/* 2.3.4.2 */
			f = '/!DataSpaces/DataSpaceInfo/StrongEncryptionDataSpace';
			data = CFB.find(cfb, f); if (!data || !data.content) throw new Error("ECMA-376 Encrypted file missing " + f);
			var seds = parse_DataSpaceDefinition(data.content);
			if (seds.length != 1 || seds[0] != "StrongEncryptionTransform")
				throw new Error("ECMA-376 Encrypted file bad " + f);

			/* 2.3.4.3 */
			f = '/!DataSpaces/TransformInfo/StrongEncryptionTransform/!Primary';
			data = CFB.find(cfb, f); if (!data || !data.content) throw new Error("ECMA-376 Encrypted file missing " + f);
	/*var hdr = */parse_Primary(data.content);
		} catch (e) { }

		f = '/EncryptionInfo';
		data = CFB.find(cfb, f); if (!data || !data.content) throw new Error("ECMA-376 Encrypted file missing " + f);
		var einfo = parse_EncryptionInfo(data.content);

		/* 2.3.4.4 */
		f = '/EncryptedPackage';
		data = CFB.find(cfb, f); if (!data || !data.content) throw new Error("ECMA-376 Encrypted file missing " + f);

		/*global decrypt_agile */
		if (einfo[0] == 0x04 && typeof decrypt_agile !== 'undefined') return decrypt_agile(einfo[1], data.content, opts.password || "", opts);
		/*global decrypt_std76 */
		if (einfo[0] == 0x02 && typeof decrypt_std76 !== 'undefined') return decrypt_std76(einfo[1], data.content, opts.password || "", opts);
		throw new Error("File is password-protected");
	}

	function write_zip(wb, opts) {
		_shapeid = 1024;
		if (opts.bookType == "ods") return write_ods(wb, opts);
		if (wb && !wb.SSF) {
			wb.SSF = SSF.get_table();
		}
		if (wb && wb.SSF) {
			make_ssf(SSF); SSF.load_table(wb.SSF);
			// $FlowIgnore
			opts.revssf = evert_num(wb.SSF); opts.revssf[wb.SSF[65535]] = 0;
			opts.ssf = wb.SSF;
		}
		opts.rels = {}; opts.wbrels = {};
		opts.Strings = []; opts.Strings.Count = 0; opts.Strings.Unique = 0;
		if (browser_has_Map) opts.revStrings = new Map();
		else { opts.revStrings = {}; opts.revStrings.foo = []; delete opts.revStrings.foo; }
		var wbext = opts.bookType == "xlsb" ? "bin" : "xml";
		var vbafmt = VBAFMTS.indexOf(opts.bookType) > -1;
		var ct = new_ct();
		fix_write_opts(opts = opts || {});
		var zip = zip_new();
		var f = "", rId = 0;

		opts.cellXfs = [];
		get_cell_style(opts.cellXfs, {}, { revssf: { "General": 0 } });

		if (!wb.Props) wb.Props = {};

		f = "docProps/core.xml";
		zip_add_file(zip, f, write_core_props(wb.Props, opts));
		ct.coreprops.push(f);
		add_rels(opts.rels, 2, f, RELS.CORE_PROPS);

		f = "docProps/app.xml";
		if (wb.Props && wb.Props.SheetNames) {/* empty */ }
		else if (!wb.Workbook || !wb.Workbook.Sheets) wb.Props.SheetNames = wb.SheetNames;
		else {
			var _sn = [];
			for (var _i = 0; _i < wb.SheetNames.length; ++_i)
				if ((wb.Workbook.Sheets[_i] || {}).Hidden != 2) _sn.push(wb.SheetNames[_i]);
			wb.Props.SheetNames = _sn;
		}
		wb.Props.Worksheets = wb.Props.SheetNames.length;
		zip_add_file(zip, f, write_ext_props(wb.Props, opts));
		ct.extprops.push(f);
		add_rels(opts.rels, 3, f, RELS.EXT_PROPS);

		if (wb.Custprops !== wb.Props && keys(wb.Custprops || {}).length > 0) {
			f = "docProps/custom.xml";
			zip_add_file(zip, f, write_cust_props(wb.Custprops, opts));
			ct.custprops.push(f);
			add_rels(opts.rels, 4, f, RELS.CUST_PROPS);
		}

		for (rId = 1; rId <= wb.SheetNames.length; ++rId) {
			var wsrels = { '!id': {} };
			var ws = wb.Sheets[wb.SheetNames[rId - 1]];
			var _type = (ws || {})["!type"] || "sheet";
			switch (_type) {
				case "chart":
				/* falls through */
				default:
					f = "xl/worksheets/sheet" + rId + "." + wbext;
					zip_add_file(zip, f, write_ws(rId - 1, f, opts, wb, wsrels));
					ct.sheets.push(f);
					add_rels(opts.wbrels, -1, "worksheets/sheet" + rId + "." + wbext, RELS.WS[0]);
			}

			if (ws) {
				var comments = ws['!comments'];
				var need_vml = false;
				if (comments && comments.length > 0) {
					var cf = "xl/comments" + rId + "." + wbext;
					zip_add_file(zip, cf, write_cmnt(comments, cf, opts));
					ct.comments.push(cf);
					add_rels(wsrels, -1, "../comments" + rId + "." + wbext, RELS.CMNT);
					need_vml = true;
				}
				if (ws['!legacy']) {
					if (need_vml) zip_add_file(zip, "xl/drawings/vmlDrawing" + (rId) + ".vml", write_comments_vml(rId, ws['!comments']));
				}
				delete ws['!comments'];
				delete ws['!legacy'];
			}

			if (wsrels['!id'].rId1) zip_add_file(zip, get_rels_path(f), write_rels(wsrels));
		}

		if (opts.Strings != null && opts.Strings.length > 0) {
			f = "xl/sharedStrings." + wbext;
			zip_add_file(zip, f, write_sst(opts.Strings, f, opts));
			ct.strs.push(f);
			add_rels(opts.wbrels, -1, "sharedStrings." + wbext, RELS.SST);
		}

		f = "xl/workbook." + wbext;
		zip_add_file(zip, f, write_wb(wb, f, opts));
		ct.workbooks.push(f);
		add_rels(opts.rels, 1, f, RELS.WB);

		/* TODO: something more intelligent with themes */

		f = "xl/theme/theme1.xml";
		zip_add_file(zip, f, write_theme(wb.Themes, opts));
		ct.themes.push(f);
		add_rels(opts.wbrels, -1, "theme/theme1.xml", RELS.THEME);

		/* TODO: something more intelligent with styles */

		f = "xl/styles." + wbext;
		zip_add_file(zip, f, write_sty(wb, f, opts));
		ct.styles.push(f);
		add_rels(opts.wbrels, -1, "styles." + wbext, RELS.STY);

		if (wb.vbaraw && vbafmt) {
			f = "xl/vbaProject.bin";
			zip_add_file(zip, f, wb.vbaraw);
			ct.vba.push(f);
			add_rels(opts.wbrels, -1, "vbaProject.bin", RELS.VBA);
		}

		zip_add_file(zip, "[Content_Types].xml", write_ct(ct, opts));
		zip_add_file(zip, '_rels/.rels', write_rels(opts.rels));
		zip_add_file(zip, 'xl/_rels/workbook.' + wbext + '.rels', write_rels(opts.wbrels));

		delete opts.revssf; delete opts.ssf;
		return zip;
	}
	function firstbyte(f, o) {
		var x = "";
		switch ((o || {}).type || "base64") {
			case 'buffer': return [f[0], f[1], f[2], f[3]];
			case 'base64': x = Base64.decode(f.slice(0, 24)); break;
			case 'binary': x = f; break;
			case 'array': return [f[0], f[1], f[2], f[3]];
			default: throw new Error("Unrecognized type " + (o && o.type || "undefined"));
		}
		return [x.charCodeAt(0), x.charCodeAt(1), x.charCodeAt(2), x.charCodeAt(3)];
	}

	function read_cfb(cfb, opts) {
		if (CFB.find(cfb, "EncryptedPackage")) return parse_xlsxcfb(cfb, opts);
		return parse_xlscfb(cfb, opts);
	}

	function read_zip(data, opts) {
		var zip, d = data;
		var o = opts || {};
		if (!o.type) o.type = (has_buf && Buffer.isBuffer(data)) ? "buffer" : "base64";
		zip = zip_read(d, o);
		return parse_zip(zip, o);
	}

	function read_plaintext(data, o) {
		var i = 0;
		main: while (i < data.length) switch (data.charCodeAt(i)) {
			case 0x0A: case 0x0D: case 0x20: ++i; break;
			case 0x3C: return parse_xlml(data.slice(i), o);
			default: break main;
		}
		return PRN.to_workbook(data, o);
	}

	function read_plaintext_raw(data, o) {
		var str = "", bytes = firstbyte(data, o);
		switch (o.type) {
			case 'base64': str = Base64.decode(data); break;
			case 'binary': str = data; break;
			case 'buffer': str = data.toString('binary'); break;
			case 'array': str = cc2str(data); break;
			default: throw new Error("Unrecognized type " + o.type);
		}
		if (bytes[0] == 0xEF && bytes[1] == 0xBB && bytes[2] == 0xBF) str = utf8read(str);
		return read_plaintext(str, o);
	}

	function read_utf16(data, o) {
		var d = data;
		if (o.type == 'base64') d = Base64.decode(d);
		d = cptable.utils.decode(1200, d.slice(2), 'str');
		o.type = "binary";
		return read_plaintext(d, o);
	}

	function bstrify(data) {
		return !data.match(/[^\x00-\x7F]/) ? data : utf8write(data);
	}

	function read_prn(data, d, o, str) {
		if (str) { o.type = "string"; return PRN.to_workbook(data, o); }
		return PRN.to_workbook(d, o);
	}

	function readSync(data, opts) {
		reset_cp();
		if (typeof ArrayBuffer !== 'undefined' && data instanceof ArrayBuffer) return readSync(new Uint8Array(data), opts);
		var d = data, n = [0, 0, 0, 0], str = false;
		var o = opts || {};
		if (o.cellStyles) { o.cellNF = true; }
		_ssfopts = {};
		if (o.dateNF) _ssfopts.dateNF = o.dateNF;
		if (!o.type) o.type = (has_buf && Buffer.isBuffer(data)) ? "buffer" : "base64";
		if (o.type == "file") { o.type = has_buf ? "buffer" : "binary"; d = read_binary(data); }
		if (o.type == "string") { str = true; o.type = "binary"; o.codepage = 65001; d = bstrify(data); }
		if (o.type == 'array' && typeof Uint8Array !== 'undefined' && data instanceof Uint8Array && typeof ArrayBuffer !== 'undefined') {
			// $FlowIgnore
			var ab = new ArrayBuffer(3), vu = new Uint8Array(ab); vu.foo = "bar";
			// $FlowIgnore
			if (!vu.foo) { o = dup(o); o.type = 'array'; return readSync(ab2a(d), o); }
		}
		switch ((n = firstbyte(d, o))[0]) {
			case 0xD0: return read_cfb(CFB.read(d, o), o);
			case 0x09: if (n[1] <= 0x04) return parse_xlscfb(d, o); break;
			case 0x3C: return parse_xlml(d, o);
			case 0x49: if (n[1] === 0x44) return read_wb_ID(d, o); break;
			case 0x54: if (n[1] === 0x41 && n[2] === 0x42 && n[3] === 0x4C) return DIF.to_workbook(d, o); break;
			case 0x50: return (n[1] === 0x4B && n[2] < 0x09 && n[3] < 0x09) ? read_zip(d, o) : read_prn(data, d, o, str);
			case 0xEF: return n[3] === 0x3C ? parse_xlml(d, o) : read_prn(data, d, o, str);
			case 0xFF: if (n[1] === 0xFE) { return read_utf16(d, o); } break;
			case 0x00: if (n[1] === 0x00 && n[2] >= 0x02 && n[3] === 0x00) return WK_.to_workbook(d, o); break;
			case 0x03: case 0x83: case 0x8B: case 0x8C: return DBF.to_workbook(d, o);
			case 0x7B: if (n[1] === 0x5C && n[2] === 0x72 && n[3] === 0x74) return RTF.to_workbook(d, o); break;
			case 0x0A: case 0x0D: case 0x20: return read_plaintext_raw(d, o);
		}
		if (n[2] <= 12 && n[3] <= 31) return DBF.to_workbook(d, o);
		return read_prn(data, d, o, str);
	}

	function readFileSync(filename, opts) {
		var o = opts || {}; o.type = 'file';
		return readSync(filename, o);
	}
	function write_cfb_ctr(cfb, o) {
		switch (o.type) {
			case "base64": case "binary": break;
			case "buffer": case "array": o.type = ""; break;
			case "file": return write_dl(o.file, CFB.write(cfb, { type: has_buf ? 'buffer' : "" }));
			case "string": throw new Error("'string' output type invalid for '" + o.bookType + "' files");
			default: throw new Error("Unrecognized type " + o.type);
		}
		return CFB.write(cfb, o);
	}

	/*global encrypt_agile */
	function write_zip_type(wb, opts) {
		var o = opts || {};
		style_builder = new StyleBuilder(opts);
		var z = write_zip(wb, o);
		var oopts = {};
		if (o.compression) oopts.compression = 'DEFLATE';
		if (o.password) oopts.type = has_buf ? "nodebuffer" : "string";
		else switch (o.type) {
			case "base64": oopts.type = "base64"; break;
			case "binary": oopts.type = "string"; break;
			case "string": throw new Error("'string' output type invalid for '" + o.bookType + "' files");
			case "buffer":
			case "file": oopts.type = has_buf ? "nodebuffer" : "string"; break;
			default: throw new Error("Unrecognized type " + o.type);
		}
		var out = z.FullPaths ? CFB.write(z, { fileType: "zip", type: { "nodebuffer": "buffer", "string": "binary" }[oopts.type] || oopts.type }) : z.generate(oopts);
		if (o.password && typeof encrypt_agile !== 'undefined') return write_cfb_ctr(encrypt_agile(out, o.password), o);
		if (o.type === "file") return write_dl(o.file, out);
		return o.type == "string" ? utf8read(out) : out;
	}

	function write_cfb_type(wb, opts) {
		var o = opts || {};
		var cfb = write_xlscfb(wb, o);
		return write_cfb_ctr(cfb, o);
	}

	function write_string_type(out, opts, bom) {
		if (!bom) bom = "";
		var o = bom + out;
		switch (opts.type) {
			case "base64": return Base64.encode(utf8write(o));
			case "binary": return utf8write(o);
			case "string": return out;
			case "file": return write_dl(opts.file, o, 'utf8');
			case "buffer": {
				if (has_buf) return Buffer_from(o, 'utf8');
				else return write_string_type(o, { type: 'binary' }).split("").map(function (c) { return c.charCodeAt(0); });
			}
		}
		throw new Error("Unrecognized type " + opts.type);
	}

	function write_stxt_type(out, opts) {
		switch (opts.type) {
			case "base64": return Base64.encode(out);
			case "binary": return out;
			case "string": return out; /* override in sheet_to_txt */
			case "file": return write_dl(opts.file, out, 'binary');
			case "buffer": {
				if (has_buf) return Buffer_from(out, 'binary');
				else return out.split("").map(function (c) { return c.charCodeAt(0); });
			}
		}
		throw new Error("Unrecognized type " + opts.type);
	}

	/* TODO: test consistency */
	function write_binary_type(out, opts) {
		switch (opts.type) {
			case "string":
			case "base64":
			case "binary":
				var bstr = "";
				// $FlowIgnore
				for (var i = 0; i < out.length; ++i) bstr += String.fromCharCode(out[i]);
				return opts.type == 'base64' ? Base64.encode(bstr) : opts.type == 'string' ? utf8read(bstr) : bstr;
			case "file": return write_dl(opts.file, out);
			case "buffer": return out;
			default: throw new Error("Unrecognized type " + opts.type);
		}
	}

	function writeSync(wb, opts) {
		reset_cp();
		check_wb(wb);
		var o = opts || {};
		if (o.cellStyles) { o.cellNF = true; }
		if (o.type == "array") { o.type = "binary"; var out = (writeSync(wb, o)); o.type = "array"; return s2ab(out); }
		switch (o.bookType || 'xlsb') {
			case 'xml':
			case 'xlml': return write_string_type(write_xlml(wb, o), o);
			case 'slk':
			case 'sylk': return write_string_type(write_slk_str(wb, o), o);
			case 'htm':
			case 'html': return write_string_type(write_htm_str(wb, o), o);
			case 'txt': return write_stxt_type(write_txt_str(wb, o), o);
			case 'csv': return write_string_type(write_csv_str(wb, o), o, "\ufeff");
			case 'dif': return write_string_type(write_dif_str(wb, o), o);
			case 'dbf': return write_binary_type(write_dbf_buf(wb, o), o);
			case 'prn': return write_string_type(write_prn_str(wb, o), o);
			case 'rtf': return write_string_type(write_rtf_str(wb, o), o);
			case 'eth': return write_string_type(write_eth_str(wb, o), o);
			case 'fods': return write_string_type(write_ods(wb, o), o);
			case 'biff2': if (!o.biff) o.biff = 2; /* falls through */
			case 'biff3': if (!o.biff) o.biff = 3; /* falls through */
			case 'biff4': if (!o.biff) o.biff = 4; return write_binary_type(write_biff_buf(wb, o), o);
			case 'biff5': if (!o.biff) o.biff = 5; /* falls through */
			case 'biff8':
			case 'xla':
			case 'xls': if (!o.biff) o.biff = 8; return write_cfb_type(wb, o);
			case 'xlsx':
			case 'xlsm':
			case 'xlam':
			case 'xlsb':
			case 'ods': return write_zip_type(wb, o);
			default: throw new Error("Unrecognized bookType |" + o.bookType + "|");
		}
	}

	function resolve_book_type(o) {
		if (o.bookType) return;
		var _BT = {
			"xls": "biff8",
			"htm": "html",
			"slk": "sylk",
			"socialcalc": "eth",
			"Sh33tJS": "WTF"
		};
		var ext = o.file.slice(o.file.lastIndexOf(".")).toLowerCase();
		if (ext.match(/^\.[a-z]+$/)) o.bookType = ext.slice(1);
		o.bookType = _BT[o.bookType] || o.bookType;
	}

	function writeFileSync(wb, filename, opts) {
		var o = opts || {}; o.type = 'file';
		o.file = filename;
		resolve_book_type(o);
		return writeSync(wb, o);
	}

	function writeFileAsync(filename, wb, opts, cb) {
		var o = opts || {}; o.type = 'file';
		o.file = filename;
		resolve_book_type(o);
		o.type = 'buffer';
		var _cb = cb; if (!(_cb instanceof Function)) _cb = (opts);
		return _fs.writeFile(filename, writeSync(wb, o), _cb);
	}
	function make_json_row(sheet, r, R, cols, header, hdr, dense, o) {
		var rr = encode_row(R);
		var defval = o.defval, raw = o.raw || !o.hasOwnProperty("raw");
		var isempty = true;
		var row = (header === 1) ? [] : {};
		if (header !== 1) {
			if (Object.defineProperty) try { Object.defineProperty(row, '__rowNum__', { value: R, enumerable: false }); } catch (e) { row.__rowNum__ = R; }
			else row.__rowNum__ = R;
		}
		if (!dense || sheet[R]) for (var C = r.s.c; C <= r.e.c; ++C) {
			var val = dense ? sheet[R][C] : sheet[cols[C] + rr];
			if (val === undefined || val.t === undefined) {
				if (defval === undefined) continue;
				if (hdr[C] != null) { row[hdr[C]] = defval; }
				continue;
			}
			var v = val.v;
			switch (val.t) {
				case 'z': if (v == null) break; continue;
				case 'e': v = void 0; break;
				case 's': case 'd': case 'b': case 'n': break;
				default: throw new Error('unrecognized type ' + val.t);
			}
			if (hdr[C] != null) {
				if (v == null) {
					if (defval !== undefined) row[hdr[C]] = defval;
					else if (raw && v === null) row[hdr[C]] = null;
					else continue;
				} else {
					row[hdr[C]] = raw ? v : format_cell(val, v, o);
				}
				if (v != null) isempty = false;
			}
		}
		return { row: row, isempty: isempty };
	}


	function sheet_to_json(sheet, opts) {
		if (sheet == null || sheet["!ref"] == null) return [];
		var val = { t: 'n', v: 0 }, header = 0, offset = 1, hdr = [], v = 0, vv = "";
		var r = { s: { r: 0, c: 0 }, e: { r: 0, c: 0 } };
		var o = opts || {};
		var range = o.range != null ? o.range : sheet["!ref"];
		if (o.header === 1) header = 1;
		else if (o.header === "A") header = 2;
		else if (Array.isArray(o.header)) header = 3;
		else if (o.header == null) header = 0;
		switch (typeof range) {
			case 'string': r = safe_decode_range(range); break;
			case 'number': r = safe_decode_range(sheet["!ref"]); r.s.r = range; break;
			default: r = range;
		}
		if (header > 0) offset = 0;
		var rr = encode_row(r.s.r);
		var cols = [];
		var out = [];
		var outi = 0, counter = 0;
		var dense = Array.isArray(sheet);
		var R = r.s.r, C = 0, CC = 0;
		if (dense && !sheet[R]) sheet[R] = [];
		for (C = r.s.c; C <= r.e.c; ++C) {
			cols[C] = encode_col(C);
			val = dense ? sheet[R][C] : sheet[cols[C] + rr];
			switch (header) {
				case 1: hdr[C] = C - r.s.c; break;
				case 2: hdr[C] = cols[C]; break;
				case 3: hdr[C] = o.header[C - r.s.c]; break;
				default:
					if (val == null) val = { w: "__EMPTY", t: "s" };
					vv = v = format_cell(val, null, o);
					counter = 0;
					for (CC = 0; CC < hdr.length; ++CC) if (hdr[CC] == vv) vv = v + "_" + (++counter);
					hdr[C] = vv;
			}
		}
		for (R = r.s.r + offset; R <= r.e.r; ++R) {
			var row = make_json_row(sheet, r, R, cols, header, hdr, dense, o);
			if ((row.isempty === false) || (header === 1 ? o.blankrows !== false : !!o.blankrows)) out[outi++] = row.row;
		}
		out.length = outi;
		return out;
	}

	var qreg = /"/g;
	function make_csv_row(sheet, r, R, cols, fs, rs, FS, o) {
		var isempty = true;
		var row = [], txt = "", rr = encode_row(R);
		for (var C = r.s.c; C <= r.e.c; ++C) {
			if (!cols[C]) continue;
			var val = o.dense ? (sheet[R] || [])[C] : sheet[cols[C] + rr];
			if (val == null) txt = "";
			else if (val.v != null) {
				isempty = false;
				txt = '' + format_cell(val, null, o);
				for (var i = 0, cc = 0; i !== txt.length; ++i) if ((cc = txt.charCodeAt(i)) === fs || cc === rs || cc === 34) { txt = "\"" + txt.replace(qreg, '""') + "\""; break; }
				if (txt == "ID") txt = '"ID"';
			} else if (val.f != null && !val.F) {
				isempty = false;
				txt = '=' + val.f; if (txt.indexOf(",") >= 0) txt = '"' + txt.replace(qreg, '""') + '"';
			} else txt = "";
			/* NOTE: Excel CSV does not support array formulae */
			row.push(txt);
		}
		if (o.blankrows === false && isempty) return null;
		return row.join(FS);
	}

	function sheet_to_csv(sheet, opts) {
		var out = [];
		var o = opts == null ? {} : opts;
		if (sheet == null || sheet["!ref"] == null) return "";
		var r = safe_decode_range(sheet["!ref"]);
		var FS = o.FS !== undefined ? o.FS : ",", fs = FS.charCodeAt(0);
		var RS = o.RS !== undefined ? o.RS : "\n", rs = RS.charCodeAt(0);
		var endregex = new RegExp((FS == "|" ? "\\|" : FS) + "+$");
		var row = "", cols = [];
		o.dense = Array.isArray(sheet);
		var colinfo = o.skipHidden && sheet["!cols"] || [];
		var rowinfo = o.skipHidden && sheet["!rows"] || [];
		for (var C = r.s.c; C <= r.e.c; ++C) if (!((colinfo[C] || {}).hidden)) cols[C] = encode_col(C);
		for (var R = r.s.r; R <= r.e.r; ++R) {
			if ((rowinfo[R] || {}).hidden) continue;
			row = make_csv_row(sheet, r, R, cols, fs, rs, FS, o);
			if (row == null) { continue; }
			if (o.strip) row = row.replace(endregex, "");
			out.push(row + RS);
		}
		delete o.dense;
		return out.join("");
	}

	function sheet_to_txt(sheet, opts) {
		if (!opts) opts = {}; opts.FS = "\t"; opts.RS = "\n";
		var s = sheet_to_csv(sheet, opts);
		if (typeof cptable == 'undefined' || opts.type == 'string') return s;
		var o = cptable.utils.encode(1200, s, 'str');
		return String.fromCharCode(255) + String.fromCharCode(254) + o;
	}

	function sheet_to_formulae(sheet) {
		var y = "", x, val = "";
		if (sheet == null || sheet["!ref"] == null) return [];
		var r = safe_decode_range(sheet['!ref']), rr = "", cols = [], C;
		var cmds = [];
		var dense = Array.isArray(sheet);
		for (C = r.s.c; C <= r.e.c; ++C) cols[C] = encode_col(C);
		for (var R = r.s.r; R <= r.e.r; ++R) {
			rr = encode_row(R);
			for (C = r.s.c; C <= r.e.c; ++C) {
				y = cols[C] + rr;
				x = dense ? (sheet[R] || [])[C] : sheet[y];
				val = "";
				if (x === undefined) continue;
				else if (x.F != null) {
					y = x.F;
					if (!x.f) continue;
					val = x.f;
					if (y.indexOf(":") == -1) y = y + ":" + y;
				}
				if (x.f != null) val = x.f;
				else if (x.t == 'z') continue;
				else if (x.t == 'n' && x.v != null) val = "" + x.v;
				else if (x.t == 'b') val = x.v ? "TRUE" : "FALSE";
				else if (x.w !== undefined) val = "'" + x.w;
				else if (x.v === undefined) continue;
				else if (x.t == 's') val = "'" + x.v;
				else val = "" + x.v;
				cmds[cmds.length] = y + "=" + val;
			}
		}
		return cmds;
	}

	function sheet_add_json(_ws, js, opts) {
		var o = opts || {};
		var offset = +!o.skipHeader;
		var ws = _ws || ({});
		var _R = 0, _C = 0;
		if (ws && o.origin != null) {
			if (typeof o.origin == 'number') _R = o.origin;
			else {
				var _origin = typeof o.origin == "string" ? decode_cell(o.origin) : o.origin;
				_R = _origin.r; _C = _origin.c;
			}
		}
		var cell;
		var range = ({ s: { c: 0, r: 0 }, e: { c: _C, r: _R + js.length - 1 + offset } });
		if (ws['!ref']) {
			var _range = safe_decode_range(ws['!ref']);
			range.e.c = Math.max(range.e.c, _range.e.c);
			range.e.r = Math.max(range.e.r, _range.e.r);
			if (_R == -1) { _R = range.e.r + 1; range.e.r = _R + js.length - 1 + offset; }
		}
		var hdr = o.header || [], C = 0;

		js.forEach(function (JS, R) {
			keys(JS).forEach(function (k) {
				if ((C = hdr.indexOf(k)) == -1) hdr[C = hdr.length] = k;
				var v = JS[k];
				var t = 'z';
				var z = "";
				var ref = encode_cell({ c: _C + C, r: _R + R + offset });
				cell = utils.sheet_get_cell(ws, ref);
				if (v && typeof v === 'object' && !(v instanceof Date)) {
					ws[ref] = v;
				} else {
					if (typeof v == 'number') t = 'n';
					else if (typeof v == 'boolean') t = 'b';
					else if (typeof v == 'string') t = 's';
					else if (v instanceof Date) {
						t = 'd';
						if (!o.cellDates) { t = 'n'; v = datenum(v); }
						z = (o.dateNF || SSF._table[14]);
					}
					if (!cell) ws[ref] = cell = ({ t: t, v: v });
					else {
						cell.t = t; cell.v = v;
						delete cell.w; delete cell.R;
						if (z) cell.z = z;
					}
					if (z) cell.z = z;
				}
			});
		});
		range.e.c = Math.max(range.e.c, _C + hdr.length - 1);
		var __R = encode_row(_R);
		if (offset) for (C = 0; C < hdr.length; ++C) ws[encode_col(C + _C) + __R] = { t: 's', v: hdr[C] };
		ws['!ref'] = encode_range(range);
		return ws;
	}
	function json_to_sheet(js, opts) { return sheet_add_json(null, js, opts); }

	/////////////////////////////////////////////////////////////////////////////////////////////////////
	var XmlNode = (function () {
		function XmlNode(tagName, attributes, children) {

			if (!(this instanceof XmlNode)) {
				return new XmlNode(tagName, attributes, children);
			}
			this.tagName = tagName;
			this._attributes = attributes || {};
			this._children = children || [];
			this._prefix = '';
			return this;
		}

		XmlNode.prototype.createElement = function () {
			return new XmlNode(arguments)
		}

		XmlNode.prototype.children = function () {
			return this._children;
		}

		XmlNode.prototype.append = function (node) {
			this._children.push(node);
			return this;
		}

		XmlNode.prototype.prefix = function (prefix) {
			if (arguments.length == 0) { return this._prefix; }
			this._prefix = prefix;
			return this;
		}

		XmlNode.prototype.attr = function (attr, value) {
			if (value == undefined) {
				delete this._attributes[attr];
				return this;
			}
			if (arguments.length == 0) {
				return this._attributes;
			}
			else if (typeof attr == 'string' && arguments.length == 1) {
				return this._attributes.attr[attr];
			}
			if (typeof attr == 'object' && arguments.length == 1) {
				for (var key in attr) {
					this._attributes[key] = attr[key];
				}
			}
			else if (arguments.length == 2 && typeof attr == 'string') {
				this._attributes[attr] = value;
			}
			return this;
		}

		var APOS = "'"; QUOTE = '"'
		var ESCAPED_QUOTE = {}
		ESCAPED_QUOTE[QUOTE] = '&quot;'
		ESCAPED_QUOTE[APOS] = '&apos;'

		XmlNode.prototype.escapeAttributeValue = function (att_value) {
			return '"' + att_value.replace(/\"/g, '&quot;') + '"';// TODO Extend with four other codes

		}

		XmlNode.prototype.toXml = function (node) {
			if (!node) node = this;
			var xml = node._prefix;
			xml += '<' + node.tagName;
			if (node._attributes) {
				for (var key in node._attributes) {
					xml += ' ' + key + '=' + this.escapeAttributeValue('' + node._attributes[key]) + ''
				}
			}
			if (node._children && node._children.length > 0) {
				xml += ">";
				for (var i = 0; i < node._children.length; i++) {
					xml += this.toXml(node._children[i]);
				}
				xml += '</' + node.tagName + '>';
			}
			else {
				xml += '/>';
			}
			return xml;
		}
		return XmlNode;
	})();
	/////////////////////////////////////////////////////////////////////////////////////////////////////

	var StyleBuilder = function (options) {

		var customNumFmtId = 164;



		var table_fmt = {
			0: 'General',
			1: '0',
			2: '0.00',
			3: '#,##0',
			4: '#,##0.00',
			9: '0%',
			10: '0.00%',
			11: '0.00E+00',
			12: '# ?/?',
			13: '# ??/??',
			14: 'm/d/yy',
			15: 'd-mmm-yy',
			16: 'd-mmm',
			17: 'mmm-yy',
			18: 'h:mm AM/PM',
			19: 'h:mm:ss AM/PM',
			20: 'h:mm',
			21: 'h:mm:ss',
			22: 'm/d/yy h:mm',
			37: '#,##0 ;(#,##0)',
			38: '#,##0 ;[Red](#,##0)',
			39: '#,##0.00;(#,##0.00)',
			40: '#,##0.00;[Red](#,##0.00)',
			45: 'mm:ss',
			46: '[h]:mm:ss',
			47: 'mmss.0',
			48: '##0.0E+0',
			49: '@',
			56: '"上午/下午 "hh"時"mm"分"ss"秒 "'
		};
		var fmt_table = {};

		for (var idx in table_fmt) {
			fmt_table[table_fmt[idx]] = idx;
		}


		// cache style specs to avoid excessive duplication
		_hashIndex = {};
		_listIndex = [];

		return {

			initialize: function (options) {

				this.$fonts = XmlNode('fonts').attr('count', 0).attr("x14ac:knownFonts", "1");
				this.$fills = XmlNode('fills').attr('count', 0);
				this.$borders = XmlNode('borders').attr('count', 0);
				this.$numFmts = XmlNode('numFmts').attr('count', 0);
				this.$cellStyleXfs = XmlNode('cellStyleXfs');
				this.$xf = XmlNode('xf')
					.attr('numFmtId', 0)
					.attr('fontId', 0)
					.attr('fillId', 0)
					.attr('borderId', 0);

				this.$cellXfs = XmlNode('cellXfs').attr('count', 0);
				this.$cellStyles = XmlNode('cellStyles')
					.append(XmlNode('cellStyle')
						.attr('name', 'Normal')
						.attr('xfId', 0)
						.attr('builtinId', 0)
					);
				this.$dxfs = XmlNode('dxfs').attr('count', "0");
				this.$tableStyles = XmlNode('tableStyles')
					.attr('count', '0')
					.attr('defaultTableStyle', 'TableStyleMedium9')
					.attr('defaultPivotStyle', 'PivotStyleMedium4')


				this.$styles = XmlNode('styleSheet')
					.attr('xmlns:mc', 'http://schemas.openxmlformats.org/markup-compatibility/2006')
					.attr('xmlns:x14ac', 'http://schemas.microsoft.com/office/spreadsheetml/2009/9/ac')
					.attr('xmlns', 'http://schemas.openxmlformats.org/spreadsheetml/2006/main')
					.attr('mc:Ignorable', 'x14ac')
					.prefix('<?xml version="1.0" encoding="UTF-8" standalone="yes"?>')
					.append(this.$numFmts)
					.append(this.$fonts)
					.append(this.$fills)
					.append(this.$borders)
					.append(this.$cellStyleXfs.append(this.$xf))
					.append(this.$cellXfs)
					.append(this.$cellStyles)
					.append(this.$dxfs)
					.append(this.$tableStyles);


				// need to specify styles at index 0 and 1.
				// the second style MUST be gray125 for some reason

				var defaultStyle = options.defaultCellStyle || {};
				if (!defaultStyle.font) defaultStyle.font = { name: 'Calibri', sz: '12' };
				if (!defaultStyle.font.name) defaultStyle.font.name = 'Calibri';
				if (!defaultStyle.font.sz) defaultStyle.font.sz = 11;
				if (!defaultStyle.fill) defaultStyle.fill = { patternType: "none", fgColor: {} };
				if (!defaultStyle.border) defaultStyle.border = {};
				if (!defaultStyle.numFmt) defaultStyle.numFmt = 0;

				this.defaultStyle = defaultStyle;

				var gray125Style = JSON.parse(JSON.stringify(defaultStyle));
				gray125Style.fill = { patternType: "gray125", fgColor: {} }

				this.addStyles([defaultStyle, gray125Style]);
				return this;
			},

			// create a style entry and returns an integer index that can be used in the cell .s property
			// these format of this object follows the emerging Common Spreadsheet Format
			addStyle: function (attributes) {

				var hashKey = JSON.stringify(attributes);
				var index = _hashIndex[hashKey];
				if (index == undefined) {

					index = this._addXf(attributes); //_listIndex.push(attributes) -1;
					_hashIndex[hashKey] = index;
				}
				else {
					index = _hashIndex[hashKey];
				}
				return index;
			},

			// create style entries and returns array of integer indexes that can be used in cell .s property
			addStyles: function (styles) {
				var self = this;
				return styles.map(function (style) {
					return self.addStyle(style);
				})
			},

			_duckTypeStyle: function (attributes) {

				if (typeof attributes == 'object' && (attributes.patternFill || attributes.fgColor)) {
					return { fill: attributes }; // this must be read via XLSX.parseFile(...)
				}
				else if (attributes.font || attributes.numFmt || attributes.border || attributes.fill) {
					return attributes;
				}
				else {
					return this._getStyleCSS(attributes)
				}
			},

			_getStyleCSS: function (css) {
				return css; //TODO
			},

			// Create an <xf> record for the style as well as corresponding <font>, <fill>, <border>, <numfmts>
			// Right now this is simple and creates a <font>, <fill>, <border>, <numfmts> for every <xf>
			// We could perhaps get fancier and avoid duplicating  auxiliary entries as Excel presumably intended, but bother.
			_addXf: function (attributes) {


				var fontId = this._addFont(attributes.font);
				var fillId = this._addFill(attributes.fill);
				var borderId = this._addBorder(attributes.border);
				var numFmtId = this._addNumFmt(attributes.numFmt);

				var $xf = XmlNode('xf')
					.attr("numFmtId", numFmtId)
					.attr("fontId", fontId)
					.attr("fillId", fillId)
					.attr("borderId", borderId)
					.attr("xfId", "0");

				if (fontId > 0) {
					$xf.attr('applyFont', "1");
				}
				if (fillId > 0) {
					$xf.attr('applyFill', "1");
				}
				if (borderId > 0) {
					$xf.attr('applyBorder', "1");
				}
				if (numFmtId > 0) {
					$xf.attr('applyNumberFormat', "1");
				}

				if (attributes.alignment) {
					var $alignment = XmlNode('alignment');
					if (attributes.alignment.horizontal) { $alignment.attr('horizontal', attributes.alignment.horizontal); }
					if (attributes.alignment.vertical) { $alignment.attr('vertical', attributes.alignment.vertical); }
					if (attributes.alignment.indent) { $alignment.attr('indent', attributes.alignment.indent); }
					if (attributes.alignment.readingOrder) { $alignment.attr('readingOrder', attributes.alignment.readingOrder); }
					if (attributes.alignment.wrapText) { $alignment.attr('wrapText', attributes.alignment.wrapText); }
					if (attributes.alignment.textRotation != undefined) { $alignment.attr('textRotation', attributes.alignment.textRotation); }

					$xf.append($alignment).attr('applyAlignment', 1)

				}
				this.$cellXfs.append($xf);
				var count = +this.$cellXfs.children().length;

				this.$cellXfs.attr('count', count);
				return count - 1;
			},

			_addFont: function (attributes) {

				if (!attributes) { return 0; }

				var $font = XmlNode('font')
					.append(XmlNode('sz').attr('val', attributes.sz || this.defaultStyle.font.sz))
					.append(XmlNode('name').attr('val', attributes.name || this.defaultStyle.font.name))

				if (attributes.bold) $font.append(XmlNode('b'));
				if (attributes.underline) $font.append(XmlNode('u'));
				if (attributes.italic) $font.append(XmlNode('i'));
				if (attributes.strike) $font.append(XmlNode('strike'));
				if (attributes.outline) $font.append(XmlNode('outline'));
				if (attributes.shadow) $font.append(XmlNode('shadow'));

				if (attributes.vertAlign) {
					$font.append(XmlNode('vertAlign').attr('val', attributes.vertAlign))
				}


				if (attributes.color) {
					if (attributes.color.theme) {
						$font.append(XmlNode('color').attr('theme', attributes.color.theme))

						if (attributes.color.tint) { //tint only if theme
							$font.append(XmlNode('tint').attr('theme', attributes.color.tint))
						}

					} else if (attributes.color.rgb) { // not both rgb and theme
						$font.append(XmlNode('color').attr('rgb', attributes.color.rgb))
					}
				}

				this.$fonts.append($font);

				var count = this.$fonts.children().length;
				this.$fonts.attr('count', count);
				return count - 1;
			},

			_addNumFmt: function (numFmt) {
				if (!numFmt) { return 0; }

				if (typeof numFmt == 'string') {
					var numFmtIdx = fmt_table[numFmt];
					if (numFmtIdx >= 0) {
						return numFmtIdx; // we found a match against built in formats
					}
				}

				if (/^[0-9]+$/.exec(numFmt)) {
					return numFmt; // we're matching an integer against some known code
				}
				numFmt = numFmt
					.replace(/&/g, '&amp;')
					.replace(/</g, '&lt;')
					.replace(/>/g, '&gt;')
					.replace(/"/g, '&quot;')
					.replace(/'/g, '&apos;');

				var $numFmt = XmlNode('numFmt')
					.attr('numFmtId', (++customNumFmtId))
					.attr('formatCode', numFmt);

				this.$numFmts.append($numFmt);

				var count = this.$numFmts.children().length;
				this.$numFmts.attr('count', count);
				return customNumFmtId;
			},

			_addFill: function (attributes) {

				if (!attributes) { return 0; }

				var $patternFill = XmlNode('patternFill')
					.attr('patternType', attributes.patternType || 'solid');

				if (attributes.fgColor) {
					var $fgColor = XmlNode('fgColor');

					//Excel doesn't like it when we set both rgb and theme+tint, but xlsx.parseFile() sets both
					//var $fgColor = createElement('<fgColor/>', null, null, {xmlMode: true}).attr(attributes.fgColor)
					if (attributes.fgColor.rgb) {

						if (attributes.fgColor.rgb.length == 6) {
							attributes.fgColor.rgb = "FF" + attributes.fgColor.rgb /// add alpha to an RGB as Excel expects aRGB
						}

						$fgColor.attr('rgb', attributes.fgColor.rgb);
						$patternFill.append($fgColor);
					}
					else if (attributes.fgColor.theme) {
						$fgColor.attr('theme', attributes.fgColor.theme);
						if (attributes.fgColor.tint) {
							$fgColor.attr('tint', attributes.fgColor.tint);
						}
						$patternFill.append($fgColor);
					}

					if (!attributes.bgColor) {
						attributes.bgColor = { "indexed": "64" }
					}
				}

				if (attributes.bgColor) {
					var $bgColor = XmlNode('bgColor').attr(attributes.bgColor);
					$patternFill.append($bgColor);
				}

				var $fill = XmlNode('fill')
					.append($patternFill);

				this.$fills.append($fill);

				var count = this.$fills.children().length;
				this.$fills.attr('count', count);
				return count - 1;
			},

			_getSubBorder: function (direction, spec) {

				var $direction = XmlNode(direction);
				if (spec) {
					if (spec.style) $direction.attr('style', spec.style);
					if (spec.color) {
						var $color = XmlNode('color');
						if (spec.color.auto) {
							$color.attr('auto', spec.color.auto);
						}
						else if (spec.color.rgb) {
							$color.attr('rgb', spec.color.rgb);
						}
						else if (spec.color.theme || spec.color.tint) {
							$color.attr('theme', spec.color.theme || "1");
							$color.attr('tint', spec.color.tint || "0");
						}
						$direction.append($color)
					}
				}
				return $direction;
			},

			_addBorder: function (attributes) {
				if (!attributes) { return 0; }

				var self = this;

				var $border = XmlNode('border')
					.attr("diagonalUp", attributes.diagonalUp)
					.attr("diagonalDown", attributes.diagonalDown);

				var directions = ["left", "right", "top", "bottom", "diagonal"];

				directions.forEach(function (direction) {
					$border.append(self._getSubBorder(direction, attributes[direction]))
				});
				this.$borders.append($border);

				var count = this.$borders.children().length;
				this.$borders.attr('count', count);
				return count - 1;
			},

			toXml: function () {
				return this.$styles.toXml();
			}
		}.initialize(options || {});
	}
	/////////////////////////////////////////////////////////////////////////////////////////////////////

	var utils = {
		encode_col: encode_col,
		encode_row: encode_row,
		encode_cell: encode_cell,
		encode_range: encode_range,
		decode_col: decode_col,
		decode_row: decode_row,
		split_cell: split_cell,
		decode_cell: decode_cell,
		decode_range: decode_range,
		format_cell: format_cell,
		get_formulae: sheet_to_formulae,
		make_csv: sheet_to_csv,
		make_json: sheet_to_json,
		make_formulae: sheet_to_formulae,
		sheet_add_aoa: sheet_add_aoa,
		sheet_add_json: sheet_add_json,
		aoa_to_sheet: aoa_to_sheet,
		json_to_sheet: json_to_sheet,
		table_to_sheet: parse_dom_table,
		table_to_book: table_to_book,
		sheet_to_csv: sheet_to_csv,
		sheet_to_txt: sheet_to_txt,
		sheet_to_json: sheet_to_json,
		sheet_to_html: HTML_.from_sheet,
		sheet_to_formulae: sheet_to_formulae,
		sheet_to_row_object_array: sheet_to_json
	};

	(function (utils) {
		utils.consts = utils.consts || {};
		function add_consts(R/*Array<any>*/) { R.forEach(function (a) { utils.consts[a[0]] = a[1]; }); }

		function get_default(x, y, z) { return x[y] != null ? x[y] : (x[y] = z); }

		/* get cell, creating a stub if necessary */
		function ws_get_cell_stub(ws, R, C) {
			/* A1 cell address */
			if (typeof R == "string") {
				/* dense */
				if (Array.isArray(ws)) {
					var RC = decode_cell(R);
					if (!ws[RC.r]) ws[RC.r] = [];
					return ws[RC.r][RC.c] || (ws[RC.r][RC.c] = { t: 'z' });
				}
				return ws[R] || (ws[R] = { t: 'z' });
			}
			/* cell address object */
			if (typeof R != "number") return ws_get_cell_stub(ws, encode_cell(R));
			/* R and C are 0-based indices */
			return ws_get_cell_stub(ws, encode_cell({ r: R, c: C || 0 }));
		}
		utils.sheet_get_cell = ws_get_cell_stub;

		/* find sheet index for given name / validate index */
		function wb_sheet_idx(wb, sh) {
			if (typeof sh == "number") {
				if (sh >= 0 && wb.SheetNames.length > sh) return sh;
				throw new Error("Cannot find sheet # " + sh);
			} else if (typeof sh == "string") {
				var idx = wb.SheetNames.indexOf(sh);
				if (idx > -1) return idx;
				throw new Error("Cannot find sheet name |" + sh + "|");
			} else throw new Error("Cannot find sheet |" + sh + "|");
		}

		/* simple blank workbook object */
		utils.book_new = function () {
			return { SheetNames: [], Sheets: {} };
		};

		/* add a worksheet to the end of a given workbook */
		utils.book_append_sheet = function (wb, ws, name) {
			if (!name) for (var i = 1; i <= 0xFFFF; ++i) if (wb.SheetNames.indexOf(name = "Sheet" + i) == -1) break;
			if (!name) throw new Error("Too many worksheets");
			check_ws_name(name);
			if (wb.SheetNames.indexOf(name) >= 0) throw new Error("Worksheet with name |" + name + "| already exists!");

			wb.SheetNames.push(name);
			wb.Sheets[name] = ws;
		};

		/* set sheet visibility (visible/hidden/very hidden) */
		utils.book_set_sheet_visibility = function (wb, sh, vis) {
			get_default(wb, "Workbook", {});
			get_default(wb.Workbook, "Sheets", []);

			var idx = wb_sheet_idx(wb, sh);
			// $FlowIgnore
			get_default(wb.Workbook.Sheets, idx, {});

			switch (vis) {
				case 0: case 1: case 2: break;
				default: throw new Error("Bad sheet visibility setting " + vis);
			}
			// $FlowIgnore
			wb.Workbook.Sheets[idx].Hidden = vis;
		};
		add_consts([
			["SHEET_VISIBLE", 0],
			["SHEET_HIDDEN", 1],
			["SHEET_VERY_HIDDEN", 2]
		]);

		/* set number format */
		utils.cell_set_number_format = function (cell, fmt) {
			cell.z = fmt;
			return cell;
		};

		/* set cell hyperlink */
		utils.cell_set_hyperlink = function (cell, target, tooltip) {
			if (!target) {
				delete cell.l;
			} else {
				cell.l = ({ Target: target });
				if (tooltip) cell.l.Tooltip = tooltip;
			}
			return cell;
		};
		utils.cell_set_internal_link = function (cell, range, tooltip) { return utils.cell_set_hyperlink(cell, "#" + range, tooltip); };

		/* add to cell comments */
		utils.cell_add_comment = function (cell, text, author) {
			if (!cell.c) cell.c = [];
			cell.c.push({ t: text, a: author || "SheetJS" });
		};

		/* set array formula and flush related cells */
		utils.sheet_set_array_formula = function (ws, range, formula) {
			var rng = typeof range != "string" ? range : safe_decode_range(range);
			var rngstr = typeof range == "string" ? range : encode_range(range);
			for (var R = rng.s.r; R <= rng.e.r; ++R) for (var C = rng.s.c; C <= rng.e.c; ++C) {
				var cell = ws_get_cell_stub(ws, R, C);
				cell.t = 'n';
				cell.F = rngstr;
				delete cell.v;
				if (R == rng.s.r && C == rng.s.c) cell.f = formula;
			}
			return ws;
		};

		return utils;
	})(utils);

	if (has_buf && typeof require != 'undefined') (function () {
		var Readable = {}.Readable;

		var write_csv_stream = function (sheet, opts) {
			var stream = Readable();
			var o = opts == null ? {} : opts;
			if (sheet == null || sheet["!ref"] == null) { stream.push(null); return stream; }
			var r = safe_decode_range(sheet["!ref"]);
			var FS = o.FS !== undefined ? o.FS : ",", fs = FS.charCodeAt(0);
			var RS = o.RS !== undefined ? o.RS : "\n", rs = RS.charCodeAt(0);
			var endregex = new RegExp((FS == "|" ? "\\|" : FS) + "+$");
			var row = "", cols = [];
			o.dense = Array.isArray(sheet);
			var colinfo = o.skipHidden && sheet["!cols"] || [];
			var rowinfo = o.skipHidden && sheet["!rows"] || [];
			for (var C = r.s.c; C <= r.e.c; ++C) if (!((colinfo[C] || {}).hidden)) cols[C] = encode_col(C);
			var R = r.s.r;
			var BOM = false;
			stream._read = function () {
				if (!BOM) { BOM = true; return stream.push("\uFEFF"); }
				while (R <= r.e.r) {
					++R;
					if ((rowinfo[R - 1] || {}).hidden) continue;
					row = make_csv_row(sheet, r, R - 1, cols, fs, rs, FS, o);
					if (row != null) {
						if (o.strip) row = row.replace(endregex, "");
						stream.push(row + RS);
						break;
					}
				}
				if (R > r.e.r) return stream.push(null);
			};
			return stream;
		};

		var write_html_stream = function (ws, opts) {
			var stream = Readable();

			var o = opts || {};
			var header = o.header != null ? o.header : HTML_.BEGIN;
			var footer = o.footer != null ? o.footer : HTML_.END;
			stream.push(header);
			var r = decode_range(ws['!ref']);
			o.dense = Array.isArray(ws);
			stream.push(HTML_._preamble(ws, r, o));
			var R = r.s.r;
			var end = false;
			stream._read = function () {
				if (R > r.e.r) {
					if (!end) { end = true; stream.push("</table>" + footer); }
					return stream.push(null);
				}
				while (R <= r.e.r) {
					stream.push(HTML_._row(ws, r, R, o));
					++R;
					break;
				}
			};
			return stream;
		};

		var write_json_stream = function (sheet, opts) {
			var stream = Readable({ objectMode: true });

			if (sheet == null || sheet["!ref"] == null) { stream.push(null); return stream; }
			var val = { t: 'n', v: 0 }, header = 0, offset = 1, hdr = [], v = 0, vv = "";
			var r = { s: { r: 0, c: 0 }, e: { r: 0, c: 0 } };
			var o = opts || {};
			var range = o.range != null ? o.range : sheet["!ref"];
			if (o.header === 1) header = 1;
			else if (o.header === "A") header = 2;
			else if (Array.isArray(o.header)) header = 3;
			switch (typeof range) {
				case 'string': r = safe_decode_range(range); break;
				case 'number': r = safe_decode_range(sheet["!ref"]); r.s.r = range; break;
				default: r = range;
			}
			if (header > 0) offset = 0;
			var rr = encode_row(r.s.r);
			var cols = [];
			var counter = 0;
			var dense = Array.isArray(sheet);
			var R = r.s.r, C = 0, CC = 0;
			if (dense && !sheet[R]) sheet[R] = [];
			for (C = r.s.c; C <= r.e.c; ++C) {
				cols[C] = encode_col(C);
				val = dense ? sheet[R][C] : sheet[cols[C] + rr];
				switch (header) {
					case 1: hdr[C] = C - r.s.c; break;
					case 2: hdr[C] = cols[C]; break;
					case 3: hdr[C] = o.header[C - r.s.c]; break;
					default:
						if (val == null) val = { w: "__EMPTY", t: "s" };
						vv = v = format_cell(val, null, o);
						counter = 0;
						for (CC = 0; CC < hdr.length; ++CC) if (hdr[CC] == vv) vv = v + "_" + (++counter);
						hdr[C] = vv;
				}
			}
			R = r.s.r + offset;
			stream._read = function () {
				if (R > r.e.r) return stream.push(null);
				while (R <= r.e.r) {
					//if ((rowinfo[R-1]||{}).hidden) continue;
					var row = make_json_row(sheet, r, R, cols, header, hdr, dense, o);
					++R;
					if ((row.isempty === false) || (header === 1 ? o.blankrows !== false : !!o.blankrows)) {
						stream.push(row.row);
						break;
					}
				}
			};
			return stream;
		};

		XLSX.stream = {
			to_json: write_json_stream,
			to_html: write_html_stream,
			to_csv: write_csv_stream
		};
	})();

	if (typeof parse_xlscfb !== "undefined") XLSX.parse_xlscfb = parse_xlscfb;
	XLSX.parse_zip = parse_zip;
	XLSX.read = readSync; //xlsread
	XLSX.readFile = readFileSync; //readFile
	XLSX.readFileSync = readFileSync;
	XLSX.write = writeSync;
	XLSX.writeFile = writeFileSync;
	XLSX.writeFileSync = writeFileSync;
	XLSX.writeFileAsync = writeFileAsync;
	XLSX.utils = utils;
	XLSX.SSF = SSF;
	if (typeof CFB !== "undefined") XLSX.CFB = CFB;
}
/*global define */
if (typeof exports !== 'undefined') make_xlsx_lib(exports);
else if (typeof module !== 'undefined' && module.exports) make_xlsx_lib(module.exports);
else if (typeof define === 'function' && define.amd) define('xlsx', function () { if (!XLSX.version) make_xlsx_lib(XLSX); return XLSX; });
else make_xlsx_lib(XLSX);
/*exported XLS, ODS */
var XLS = XLSX, ODS = XLSX;
